Home / 31,534.26-43,517.16-17,387.88

Finding the Fourth Proportional to 31,534.26, 43,517.16 and 17,387.88

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Solution

The fourth proportional to 31,534.26, 43,517.16 and 17,387.88 is: 23,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.26 : 43,517.16 = 17,387.88 : x
  2. Step 2: Convert to fraction form
    31,534.26/43,517.16 = 17,387.88/x
  3. Step 3: Cross multiply
    31,534.26x = 43,517.16 × 17,387.88
  4. Step 4: Simplify right side
    31,534.26x = 756,671,156.02
  5. Step 5: Solve for x
    x = 756,671,156.02/31,534.26
  6. Step 6: Final answer
    x = 23,995.21

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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.