Home / 84,895.63-127,354.38-25,720.87

Finding the Fourth Proportional to 84,895.63, 127,354.38 and 25,720.87

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Solution

The fourth proportional to 84,895.63, 127,354.38 and 25,720.87 is: 38,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.63 : 127,354.38 = 25,720.87 : x
  2. Step 2: Convert to fraction form
    84,895.63/127,354.38 = 25,720.87/x
  3. Step 3: Cross multiply
    84,895.63x = 127,354.38 × 25,720.87
  4. Step 4: Simplify right side
    84,895.63x = 3,275,665,451.91
  5. Step 5: Solve for x
    x = 3,275,665,451.91/84,895.63
  6. Step 6: Final answer
    x = 38,584.62

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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.