Home / 31,534.44-43,517.22-17,387.28

Finding the Fourth Proportional to 31,534.44, 43,517.22 and 17,387.28

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Solution

The fourth proportional to 31,534.44, 43,517.22 and 17,387.28 is: 23,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.44 : 43,517.22 = 17,387.28 : x
  2. Step 2: Convert to fraction form
    31,534.44/43,517.22 = 17,387.28/x
  3. Step 3: Cross multiply
    31,534.44x = 43,517.22 × 17,387.28
  4. Step 4: Simplify right side
    31,534.44x = 756,646,088.96
  5. Step 5: Solve for x
    x = 756,646,088.96/31,534.44
  6. Step 6: Final answer
    x = 23,994.28

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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.