Home / 27,928.53-41,906.46-13,138.95

Finding the Fourth Proportional to 27,928.53, 41,906.46 and 13,138.95

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Solution

The fourth proportional to 27,928.53, 41,906.46 and 13,138.95 is: 19,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.53 : 41,906.46 = 13,138.95 : x
  2. Step 2: Convert to fraction form
    27,928.53/41,906.46 = 13,138.95/x
  3. Step 3: Cross multiply
    27,928.53x = 41,906.46 × 13,138.95
  4. Step 4: Simplify right side
    27,928.53x = 550,606,882.62
  5. Step 5: Solve for x
    x = 550,606,882.62/27,928.53
  6. Step 6: Final answer
    x = 19,714.85

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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.