Home / 31,400.28-43,332.42-17,253.96

Finding the Fourth Proportional to 31,400.28, 43,332.42 and 17,253.96

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Solution

The fourth proportional to 31,400.28, 43,332.42 and 17,253.96 is: 23,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.28 : 43,332.42 = 17,253.96 : x
  2. Step 2: Convert to fraction form
    31,400.28/43,332.42 = 17,253.96/x
  3. Step 3: Cross multiply
    31,400.28x = 43,332.42 × 17,253.96
  4. Step 4: Simplify right side
    31,400.28x = 747,655,841.38
  5. Step 5: Solve for x
    x = 747,655,841.38/31,400.28
  6. Step 6: Final answer
    x = 23,810.48

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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.