Home / 27,127.38-37,436.49-15,190.74

Finding the Fourth Proportional to 27,127.38, 37,436.49 and 15,190.74

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Solution

The fourth proportional to 27,127.38, 37,436.49 and 15,190.74 is: 20,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.38 : 37,436.49 = 15,190.74 : x
  2. Step 2: Convert to fraction form
    27,127.38/37,436.49 = 15,190.74/x
  3. Step 3: Cross multiply
    27,127.38x = 37,436.49 × 15,190.74
  4. Step 4: Simplify right side
    27,127.38x = 568,687,986.10
  5. Step 5: Solve for x
    x = 568,687,986.10/27,127.38
  6. Step 6: Final answer
    x = 20,963.62

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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.