Home / 23,033.28-31,789.92-13,602.24

Finding the Fourth Proportional to 23,033.28, 31,789.92 and 13,602.24

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Solution

The fourth proportional to 23,033.28, 31,789.92 and 13,602.24 is: 18,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,033.28 : 31,789.92 = 13,602.24 : x
  2. Step 2: Convert to fraction form
    23,033.28/31,789.92 = 13,602.24/x
  3. Step 3: Cross multiply
    23,033.28x = 31,789.92 × 13,602.24
  4. Step 4: Simplify right side
    23,033.28x = 432,414,121.42
  5. Step 5: Solve for x
    x = 432,414,121.42/23,033.28
  6. Step 6: Final answer
    x = 18,773.45

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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.