Home / 28,407.92-39,202.54-16,470.95

Finding the Fourth Proportional to 28,407.92, 39,202.54 and 16,470.95

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Solution

The fourth proportional to 28,407.92, 39,202.54 and 16,470.95 is: 22,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,407.92 : 39,202.54 = 16,470.95 : x
  2. Step 2: Convert to fraction form
    28,407.92/39,202.54 = 16,470.95/x
  3. Step 3: Cross multiply
    28,407.92x = 39,202.54 × 16,470.95
  4. Step 4: Simplify right side
    28,407.92x = 645,702,839.02
  5. Step 5: Solve for x
    x = 645,702,839.02/28,407.92
  6. Step 6: Final answer
    x = 22,729.68

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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.