Home / 27,144.20-40,715.24-11,345.15

Finding the Fourth Proportional to 27,144.20, 40,715.24 and 11,345.15

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Solution

The fourth proportional to 27,144.20, 40,715.24 and 11,345.15 is: 17,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.20 : 40,715.24 = 11,345.15 : x
  2. Step 2: Convert to fraction form
    27,144.20/40,715.24 = 11,345.15/x
  3. Step 3: Cross multiply
    27,144.20x = 40,715.24 × 11,345.15
  4. Step 4: Simplify right side
    27,144.20x = 461,920,592.69
  5. Step 5: Solve for x
    x = 461,920,592.69/27,144.20
  6. Step 6: Final answer
    x = 17,017.28

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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.