Home / 27,494.24-37,938.85-15,395.40

Finding the Fourth Proportional to 27,494.24, 37,938.85 and 15,395.40

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Solution

The fourth proportional to 27,494.24, 37,938.85 and 15,395.40 is: 21,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,494.24 : 37,938.85 = 15,395.40 : x
  2. Step 2: Convert to fraction form
    27,494.24/37,938.85 = 15,395.40/x
  3. Step 3: Cross multiply
    27,494.24x = 37,938.85 × 15,395.40
  4. Step 4: Simplify right side
    27,494.24x = 584,083,732.80
  5. Step 5: Solve for x
    x = 584,083,732.80/27,494.24
  6. Step 6: Final answer
    x = 21,243.86

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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.