Home / 21,517.92-32,282.07-7,475.90

Finding the Fourth Proportional to 21,517.92, 32,282.07 and 7,475.90

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Solution

The fourth proportional to 21,517.92, 32,282.07 and 7,475.90 is: 11,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.92 : 32,282.07 = 7,475.90 : x
  2. Step 2: Convert to fraction form
    21,517.92/32,282.07 = 7,475.90/x
  3. Step 3: Cross multiply
    21,517.92x = 32,282.07 × 7,475.90
  4. Step 4: Simplify right side
    21,517.92x = 241,337,489.73
  5. Step 5: Solve for x
    x = 241,337,489.73/21,517.92
  6. Step 6: Final answer
    x = 11,215.65

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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.