Home / 23,387.28-32,279.76-13,963.20

Finding the Fourth Proportional to 23,387.28, 32,279.76 and 13,963.20

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Solution

The fourth proportional to 23,387.28, 32,279.76 and 13,963.20 is: 19,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.28 : 32,279.76 = 13,963.20 : x
  2. Step 2: Convert to fraction form
    23,387.28/32,279.76 = 13,963.20/x
  3. Step 3: Cross multiply
    23,387.28x = 32,279.76 × 13,963.20
  4. Step 4: Simplify right side
    23,387.28x = 450,728,744.83
  5. Step 5: Solve for x
    x = 450,728,744.83/23,387.28
  6. Step 6: Final answer
    x = 19,272.39

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1.5x scale

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.