Home / 31,472.28-43,432.78-17,326.20

Finding the Fourth Proportional to 31,472.28, 43,432.78 and 17,326.20

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Solution

The fourth proportional to 31,472.28, 43,432.78 and 17,326.20 is: 23,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.28 : 43,432.78 = 17,326.20 : x
  2. Step 2: Convert to fraction form
    31,472.28/43,432.78 = 17,326.20/x
  3. Step 3: Cross multiply
    31,472.28x = 43,432.78 × 17,326.20
  4. Step 4: Simplify right side
    31,472.28x = 752,525,032.84
  5. Step 5: Solve for x
    x = 752,525,032.84/31,472.28
  6. Step 6: Final answer
    x = 23,910.73

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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.