Home / 27,972.30-41,965.68-10,442.28

Finding the Fourth Proportional to 27,972.30, 41,965.68 and 10,442.28

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Solution

The fourth proportional to 27,972.30, 41,965.68 and 10,442.28 is: 15,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.30 : 41,965.68 = 10,442.28 : x
  2. Step 2: Convert to fraction form
    27,972.30/41,965.68 = 10,442.28/x
  3. Step 3: Cross multiply
    27,972.30x = 41,965.68 × 10,442.28
  4. Step 4: Simplify right side
    27,972.30x = 438,217,380.95
  5. Step 5: Solve for x
    x = 438,217,380.95/27,972.30
  6. Step 6: Final answer
    x = 15,666.12

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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.