Home / 31,253.11-43,149.42-27,890.15

Finding the Fourth Proportional to 31,253.11, 43,149.42 and 27,890.15

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Solution

The fourth proportional to 31,253.11, 43,149.42 and 27,890.15 is: 38,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.11 : 43,149.42 = 27,890.15 : x
  2. Step 2: Convert to fraction form
    31,253.11/43,149.42 = 27,890.15/x
  3. Step 3: Cross multiply
    31,253.11x = 43,149.42 × 27,890.15
  4. Step 4: Simplify right side
    31,253.11x = 1,203,443,580.47
  5. Step 5: Solve for x
    x = 1,203,443,580.47/31,253.11
  6. Step 6: Final answer
    x = 38,506.37

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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.