Home / 27,872.78-41,795.32-10,102.73

Finding the Fourth Proportional to 27,872.78, 41,795.32 and 10,102.73

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Solution

The fourth proportional to 27,872.78, 41,795.32 and 10,102.73 is: 15,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.78 : 41,795.32 = 10,102.73 : x
  2. Step 2: Convert to fraction form
    27,872.78/41,795.32 = 10,102.73/x
  3. Step 3: Cross multiply
    27,872.78x = 41,795.32 × 10,102.73
  4. Step 4: Simplify right side
    27,872.78x = 422,246,589.52
  5. Step 5: Solve for x
    x = 422,246,589.52/27,872.78
  6. Step 6: Final answer
    x = 15,149.06

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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.