Home / 84,877.38-127,316.79-25,717.68

Finding the Fourth Proportional to 84,877.38, 127,316.79 and 25,717.68

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Solution

The fourth proportional to 84,877.38, 127,316.79 and 25,717.68 is: 38,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,877.38 : 127,316.79 = 25,717.68 : x
  2. Step 2: Convert to fraction form
    84,877.38/127,316.79 = 25,717.68/x
  3. Step 3: Cross multiply
    84,877.38x = 127,316.79 × 25,717.68
  4. Step 4: Simplify right side
    84,877.38x = 3,274,292,463.85
  5. Step 5: Solve for x
    x = 3,274,292,463.85/84,877.38
  6. Step 6: Final answer
    x = 38,576.74

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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.