Home / 22,429.28-33,644.85-8,387.90

Finding the Fourth Proportional to 22,429.28, 33,644.85 and 8,387.90

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Solution

The fourth proportional to 22,429.28, 33,644.85 and 8,387.90 is: 12,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.28 : 33,644.85 = 8,387.90 : x
  2. Step 2: Convert to fraction form
    22,429.28/33,644.85 = 8,387.90/x
  3. Step 3: Cross multiply
    22,429.28x = 33,644.85 × 8,387.90
  4. Step 4: Simplify right side
    22,429.28x = 282,209,637.32
  5. Step 5: Solve for x
    x = 282,209,637.32/22,429.28
  6. Step 6: Final answer
    x = 12,582.20

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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.