Home / 27,805.39-41,712.15-8,081.38

Finding the Fourth Proportional to 27,805.39, 41,712.15 and 8,081.38

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Solution

The fourth proportional to 27,805.39, 41,712.15 and 8,081.38 is: 12,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.39 : 41,712.15 = 8,081.38 : x
  2. Step 2: Convert to fraction form
    27,805.39/41,712.15 = 8,081.38/x
  3. Step 3: Cross multiply
    27,805.39x = 41,712.15 × 8,081.38
  4. Step 4: Simplify right side
    27,805.39x = 337,091,734.77
  5. Step 5: Solve for x
    x = 337,091,734.77/27,805.39
  6. Step 6: Final answer
    x = 12,123.25

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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.