Home / 16,287.60-22,480.20-15,179.52

Finding the Fourth Proportional to 16,287.60, 22,480.20 and 15,179.52

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Solution

The fourth proportional to 16,287.60, 22,480.20 and 15,179.52 is: 20,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.60 : 22,480.20 = 15,179.52 : x
  2. Step 2: Convert to fraction form
    16,287.60/22,480.20 = 15,179.52/x
  3. Step 3: Cross multiply
    16,287.60x = 22,480.20 × 15,179.52
  4. Step 4: Simplify right side
    16,287.60x = 341,238,645.50
  5. Step 5: Solve for x
    x = 341,238,645.50/16,287.60
  6. Step 6: Final answer
    x = 20,950.82

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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.