Home / 31,839.28-43,937.40-17,693.36

Finding the Fourth Proportional to 31,839.28, 43,937.40 and 17,693.36

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Solution

The fourth proportional to 31,839.28, 43,937.40 and 17,693.36 is: 24,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,839.28 : 43,937.40 = 17,693.36 : x
  2. Step 2: Convert to fraction form
    31,839.28/43,937.40 = 17,693.36/x
  3. Step 3: Cross multiply
    31,839.28x = 43,937.40 × 17,693.36
  4. Step 4: Simplify right side
    31,839.28x = 777,400,235.66
  5. Step 5: Solve for x
    x = 777,400,235.66/31,839.28
  6. Step 6: Final answer
    x = 24,416.39

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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.