Finding the Fourth Proportional to 26,391.60, 39,497.80 and 16,010.80
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Solution
The fourth proportional to 26,391.60, 39,497.80 and 16,010.80 is: 23,961.84
Step by Step Solution
- Step 1: Write the proportion equation
26,391.60 : 39,497.80 = 16,010.80 : x - Step 2: Convert to fraction form
26,391.60/39,497.80 = 16,010.80/x - Step 3: Cross multiply
26,391.60x = 39,497.80 × 16,010.80 - Step 4: Simplify right side
26,391.60x = 632,391,376.24 - Step 5: Solve for x
x = 632,391,376.24/26,391.60 - Step 6: Final answer
x = 23,961.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.