Home / 84,917.28-127,376.10-22,587.78

Finding the Fourth Proportional to 84,917.28, 127,376.10 and 22,587.78

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Solution

The fourth proportional to 84,917.28, 127,376.10 and 22,587.78 is: 33,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,917.28 : 127,376.10 = 22,587.78 : x
  2. Step 2: Convert to fraction form
    84,917.28/127,376.10 = 22,587.78/x
  3. Step 3: Cross multiply
    84,917.28x = 127,376.10 × 22,587.78
  4. Step 4: Simplify right side
    84,917.28x = 2,877,143,324.06
  5. Step 5: Solve for x
    x = 2,877,143,324.06/84,917.28
  6. Step 6: Final answer
    x = 33,881.72

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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.