Home / 23,781.20-32,819.24-13,711.28

Finding the Fourth Proportional to 23,781.20, 32,819.24 and 13,711.28

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Solution

The fourth proportional to 23,781.20, 32,819.24 and 13,711.28 is: 18,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.20 : 32,819.24 = 13,711.28 : x
  2. Step 2: Convert to fraction form
    23,781.20/32,819.24 = 13,711.28/x
  3. Step 3: Cross multiply
    23,781.20x = 32,819.24 × 13,711.28
  4. Step 4: Simplify right side
    23,781.20x = 449,993,789.03
  5. Step 5: Solve for x
    x = 449,993,789.03/23,781.20
  6. Step 6: Final answer
    x = 18,922.25

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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.