Home / 25,383.13-38,083.71-11,341.87

Finding the Fourth Proportional to 25,383.13, 38,083.71 and 11,341.87

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Solution

The fourth proportional to 25,383.13, 38,083.71 and 11,341.87 is: 17,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.13 : 38,083.71 = 11,341.87 : x
  2. Step 2: Convert to fraction form
    25,383.13/38,083.71 = 11,341.87/x
  3. Step 3: Cross multiply
    25,383.13x = 38,083.71 × 11,341.87
  4. Step 4: Simplify right side
    25,383.13x = 431,940,487.94
  5. Step 5: Solve for x
    x = 431,940,487.94/25,383.13
  6. Step 6: Final answer
    x = 17,016.83

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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.