Home / 23,280-32,126.40-13,344

Finding the Fourth Proportional to 23,280, 32,126.40 and 13,344

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Solution

The fourth proportional to 23,280, 32,126.40 and 13,344 is: 18,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280 : 32,126.40 = 13,344 : x
  2. Step 2: Convert to fraction form
    23,280/32,126.40 = 13,344/x
  3. Step 3: Cross multiply
    23,280x = 32,126.40 × 13,344
  4. Step 4: Simplify right side
    23,280x = 428,694,681.60
  5. Step 5: Solve for x
    x = 428,694,681.60/23,280
  6. Step 6: Final answer
    x = 18,414.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.