The next two numbers in the series, 32000, 8000, 2000, 500 are

[tex]32000 \div 4 = 8000[/tex]
[tex]8000 \div 4 = 2000[/tex]
[tex]2000 \div 4 = 500[/tex]
[tex]500 \div 4 = 125[/tex]
[tex]125 \div 4 = 31.25[/tex]