Home / 31,013.28-42,796.89-17,584.20

Finding the Fourth Proportional to 31,013.28, 42,796.89 and 17,584.20

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Solution

The fourth proportional to 31,013.28, 42,796.89 and 17,584.20 is: 24,265.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.28 : 42,796.89 = 17,584.20 : x
  2. Step 2: Convert to fraction form
    31,013.28/42,796.89 = 17,584.20/x
  3. Step 3: Cross multiply
    31,013.28x = 42,796.89 × 17,584.20
  4. Step 4: Simplify right side
    31,013.28x = 752,549,073.14
  5. Step 5: Solve for x
    x = 752,549,073.14/31,013.28
  6. Step 6: Final answer
    x = 24,265.38

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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.