Home / 27,442.27-37,871.08-15,505.37

Finding the Fourth Proportional to 27,442.27, 37,871.08 and 15,505.37

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Solution

The fourth proportional to 27,442.27, 37,871.08 and 15,505.37 is: 21,397.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,442.27 : 37,871.08 = 15,505.37 : x
  2. Step 2: Convert to fraction form
    27,442.27/37,871.08 = 15,505.37/x
  3. Step 3: Cross multiply
    27,442.27x = 37,871.08 × 15,505.37
  4. Step 4: Simplify right side
    27,442.27x = 587,205,107.70
  5. Step 5: Solve for x
    x = 587,205,107.70/27,442.27
  6. Step 6: Final answer
    x = 21,397.83

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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.