Home / 27,687.78-41,463.36-15,812.10

Finding the Fourth Proportional to 27,687.78, 41,463.36 and 15,812.10

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Solution

The fourth proportional to 27,687.78, 41,463.36 and 15,812.10 is: 23,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.78 : 41,463.36 = 15,812.10 : x
  2. Step 2: Convert to fraction form
    27,687.78/41,463.36 = 15,812.10/x
  3. Step 3: Cross multiply
    27,687.78x = 41,463.36 × 15,812.10
  4. Step 4: Simplify right side
    27,687.78x = 655,622,794.66
  5. Step 5: Solve for x
    x = 655,622,794.66/27,687.78
  6. Step 6: Final answer
    x = 23,679.14

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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.