Home / 21,500.91-32,232.13-8,350.16

Finding the Fourth Proportional to 21,500.91, 32,232.13 and 8,350.16

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Solution

The fourth proportional to 21,500.91, 32,232.13 and 8,350.16 is: 12,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.91 : 32,232.13 = 8,350.16 : x
  2. Step 2: Convert to fraction form
    21,500.91/32,232.13 = 8,350.16/x
  3. Step 3: Cross multiply
    21,500.91x = 32,232.13 × 8,350.16
  4. Step 4: Simplify right side
    21,500.91x = 269,143,260.60
  5. Step 5: Solve for x
    x = 269,143,260.60/21,500.91
  6. Step 6: Final answer
    x = 12,517.76

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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.