Home / 27,982.39-41,929.75-15,494.71

Finding the Fourth Proportional to 27,982.39, 41,929.75 and 15,494.71

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Solution

The fourth proportional to 27,982.39, 41,929.75 and 15,494.71 is: 23,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.39 : 41,929.75 = 15,494.71 : x
  2. Step 2: Convert to fraction form
    27,982.39/41,929.75 = 15,494.71/x
  3. Step 3: Cross multiply
    27,982.39x = 41,929.75 × 15,494.71
  4. Step 4: Simplify right side
    27,982.39x = 649,689,316.62
  5. Step 5: Solve for x
    x = 649,689,316.62/27,982.39
  6. Step 6: Final answer
    x = 23,217.79

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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.