Home / 20,024.60-29,972.10-15,618.20

Finding the Fourth Proportional to 20,024.60, 29,972.10 and 15,618.20

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Solution

The fourth proportional to 20,024.60, 29,972.10 and 15,618.20 is: 23,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024.60 : 29,972.10 = 15,618.20 : x
  2. Step 2: Convert to fraction form
    20,024.60/29,972.10 = 15,618.20/x
  3. Step 3: Cross multiply
    20,024.60x = 29,972.10 × 15,618.20
  4. Step 4: Simplify right side
    20,024.60x = 468,110,252.22
  5. Step 5: Solve for x
    x = 468,110,252.22/20,024.60
  6. Step 6: Final answer
    x = 23,376.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.