Home / 21,906.38-32,882.96-9,432.58

Finding the Fourth Proportional to 21,906.38, 32,882.96 and 9,432.58

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Solution

The fourth proportional to 21,906.38, 32,882.96 and 9,432.58 is: 14,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,906.38 : 32,882.96 = 9,432.58 : x
  2. Step 2: Convert to fraction form
    21,906.38/32,882.96 = 9,432.58/x
  3. Step 3: Cross multiply
    21,906.38x = 32,882.96 × 9,432.58
  4. Step 4: Simplify right side
    21,906.38x = 310,171,150.84
  5. Step 5: Solve for x
    x = 310,171,150.84/21,906.38
  6. Step 6: Final answer
    x = 14,158.94

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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.