Home / 27,397.78-37,753.17-18,902.50

Finding the Fourth Proportional to 27,397.78, 37,753.17 and 18,902.50

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Solution

The fourth proportional to 27,397.78, 37,753.17 and 18,902.50 is: 26,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,397.78 : 37,753.17 = 18,902.50 : x
  2. Step 2: Convert to fraction form
    27,397.78/37,753.17 = 18,902.50/x
  3. Step 3: Cross multiply
    27,397.78x = 37,753.17 × 18,902.50
  4. Step 4: Simplify right side
    27,397.78x = 713,629,295.93
  5. Step 5: Solve for x
    x = 713,629,295.93/27,397.78
  6. Step 6: Final answer
    x = 26,046.98

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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.