Home / 28,641.87-39,523.95-16,542.90

Finding the Fourth Proportional to 28,641.87, 39,523.95 and 16,542.90

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Solution

The fourth proportional to 28,641.87, 39,523.95 and 16,542.90 is: 22,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,641.87 : 39,523.95 = 16,542.90 : x
  2. Step 2: Convert to fraction form
    28,641.87/39,523.95 = 16,542.90/x
  3. Step 3: Cross multiply
    28,641.87x = 39,523.95 × 16,542.90
  4. Step 4: Simplify right side
    28,641.87x = 653,840,752.46
  5. Step 5: Solve for x
    x = 653,840,752.46/28,641.87
  6. Step 6: Final answer
    x = 22,828.14

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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.