Home / 27,938.24-38,535.24-18,375.13

Finding the Fourth Proportional to 27,938.24, 38,535.24 and 18,375.13

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Solution

The fourth proportional to 27,938.24, 38,535.24 and 18,375.13 is: 25,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.24 : 38,535.24 = 18,375.13 : x
  2. Step 2: Convert to fraction form
    27,938.24/38,535.24 = 18,375.13/x
  3. Step 3: Cross multiply
    27,938.24x = 38,535.24 × 18,375.13
  4. Step 4: Simplify right side
    27,938.24x = 708,090,053.28
  5. Step 5: Solve for x
    x = 708,090,053.28/27,938.24
  6. Step 6: Final answer
    x = 25,344.83

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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.