Home / 27,177.78-40,747.22-11,586.90

Finding the Fourth Proportional to 27,177.78, 40,747.22 and 11,586.90

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Solution

The fourth proportional to 27,177.78, 40,747.22 and 11,586.90 is: 17,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.78 : 40,747.22 = 11,586.90 : x
  2. Step 2: Convert to fraction form
    27,177.78/40,747.22 = 11,586.90/x
  3. Step 3: Cross multiply
    27,177.78x = 40,747.22 × 11,586.90
  4. Step 4: Simplify right side
    27,177.78x = 472,133,963.42
  5. Step 5: Solve for x
    x = 472,133,963.42/27,177.78
  6. Step 6: Final answer
    x = 17,372.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.