Romans 11:17 explains Gentiles being grafted into Israel's spiritual blessings, which is the very basis for the material obligation in Romans 15:27.

1 Corinthians 9:11 applies the same logic: those who receive spiritual blessings should provide material support—a direct parallel to the principle here.

In 2 Corinthians 8:13, Paul explains the goal of equality behind the collection for Jerusalem, directly reinforcing the same principle of mutual sharing.

Philippians 4:14 commends the Philippians for sharing in Paul's troubles through financial support, exemplifying the material sharing Paul urges.

Colossians 1:12 speaks of Gentiles sharing in the saints' spiritual inheritance, the very blessing that creates the obligation for material sharing in Romans 15:27.

Galatians 6:6 teaches sharing material good with those who teach spiritually—a similar reciprocity but focused on teachers, not the Jerusalem church.