Finding the Fourth Proportional to 26,400.61, 36,432.84 and 15,792.75
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Solution
The fourth proportional to 26,400.61, 36,432.84 and 15,792.75 is: 21,794.00
Step by Step Solution
- Step 1: Write the proportion equation
26,400.61 : 36,432.84 = 15,792.75 : x - Step 2: Convert to fraction form
26,400.61/36,432.84 = 15,792.75/x - Step 3: Cross multiply
26,400.61x = 36,432.84 × 15,792.75 - Step 4: Simplify right side
26,400.61x = 575,374,793.13 - Step 5: Solve for x
x = 575,374,793.13/26,400.61 - Step 6: Final answer
x = 21,794.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.