Home / 28,809.28-39,755.84-16,233.92

Finding the Fourth Proportional to 28,809.28, 39,755.84 and 16,233.92

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Solution

The fourth proportional to 28,809.28, 39,755.84 and 16,233.92 is: 22,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.28 : 39,755.84 = 16,233.92 : x
  2. Step 2: Convert to fraction form
    28,809.28/39,755.84 = 16,233.92/x
  3. Step 3: Cross multiply
    28,809.28x = 39,755.84 × 16,233.92
  4. Step 4: Simplify right side
    28,809.28x = 645,393,126.09
  5. Step 5: Solve for x
    x = 645,393,126.09/28,809.28
  6. Step 6: Final answer
    x = 22,402.27

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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.