Home / 27,822.78-41,720.97-16,139.58

Finding the Fourth Proportional to 27,822.78, 41,720.97 and 16,139.58

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Solution

The fourth proportional to 27,822.78, 41,720.97 and 16,139.58 is: 24,201.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822.78 : 41,720.97 = 16,139.58 : x
  2. Step 2: Convert to fraction form
    27,822.78/41,720.97 = 16,139.58/x
  3. Step 3: Cross multiply
    27,822.78x = 41,720.97 × 16,139.58
  4. Step 4: Simplify right side
    27,822.78x = 673,358,932.99
  5. Step 5: Solve for x
    x = 673,358,932.99/27,822.78
  6. Step 6: Final answer
    x = 24,201.71

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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.