Home / 23,272.80-34,909.56-15,425.70

Finding the Fourth Proportional to 23,272.80, 34,909.56 and 15,425.70

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Solution

The fourth proportional to 23,272.80, 34,909.56 and 15,425.70 is: 23,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,272.80 : 34,909.56 = 15,425.70 : x
  2. Step 2: Convert to fraction form
    23,272.80/34,909.56 = 15,425.70/x
  3. Step 3: Cross multiply
    23,272.80x = 34,909.56 × 15,425.70
  4. Step 4: Simplify right side
    23,272.80x = 538,504,399.69
  5. Step 5: Solve for x
    x = 538,504,399.69/23,272.80
  6. Step 6: Final answer
    x = 23,138.79

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1.5x scale

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.