Home / 26,126.76-39,177.78-10,123.79

Finding the Fourth Proportional to 26,126.76, 39,177.78 and 10,123.79

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Solution

The fourth proportional to 26,126.76, 39,177.78 and 10,123.79 is: 15,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.76 : 39,177.78 = 10,123.79 : x
  2. Step 2: Convert to fraction form
    26,126.76/39,177.78 = 10,123.79/x
  3. Step 3: Cross multiply
    26,126.76x = 39,177.78 × 10,123.79
  4. Step 4: Simplify right side
    26,126.76x = 396,627,426.24
  5. Step 5: Solve for x
    x = 396,627,426.24/26,126.76
  6. Step 6: Final answer
    x = 15,180.89

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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.