Home / 21,724.92-32,589.28-6,142.55

Finding the Fourth Proportional to 21,724.92, 32,589.28 and 6,142.55

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Solution

The fourth proportional to 21,724.92, 32,589.28 and 6,142.55 is: 9,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.92 : 32,589.28 = 6,142.55 : x
  2. Step 2: Convert to fraction form
    21,724.92/32,589.28 = 6,142.55/x
  3. Step 3: Cross multiply
    21,724.92x = 32,589.28 × 6,142.55
  4. Step 4: Simplify right side
    21,724.92x = 200,181,281.86
  5. Step 5: Solve for x
    x = 200,181,281.86/21,724.92
  6. Step 6: Final answer
    x = 9,214.36

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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.