Home / 22,913.28-34,387.20-18,351.36

Finding the Fourth Proportional to 22,913.28, 34,387.20 and 18,351.36

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Solution

The fourth proportional to 22,913.28, 34,387.20 and 18,351.36 is: 27,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,913.28 : 34,387.20 = 18,351.36 : x
  2. Step 2: Convert to fraction form
    22,913.28/34,387.20 = 18,351.36/x
  3. Step 3: Cross multiply
    22,913.28x = 34,387.20 × 18,351.36
  4. Step 4: Simplify right side
    22,913.28x = 631,051,886.59
  5. Step 5: Solve for x
    x = 631,051,886.59/22,913.28
  6. Step 6: Final answer
    x = 27,540.88

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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.