Home / 31,472.72-43,432.36-17,325.57

Finding the Fourth Proportional to 31,472.72, 43,432.36 and 17,325.57

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Solution

The fourth proportional to 31,472.72, 43,432.36 and 17,325.57 is: 23,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.72 : 43,432.36 = 17,325.57 : x
  2. Step 2: Convert to fraction form
    31,472.72/43,432.36 = 17,325.57/x
  3. Step 3: Cross multiply
    31,472.72x = 43,432.36 × 17,325.57
  4. Step 4: Simplify right side
    31,472.72x = 752,490,176.28
  5. Step 5: Solve for x
    x = 752,490,176.28/31,472.72
  6. Step 6: Final answer
    x = 23,909.28

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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.