Home / 18,422.88-27,631.32-10,107

Finding the Fourth Proportional to 18,422.88, 27,631.32 and 10,107

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Solution

The fourth proportional to 18,422.88, 27,631.32 and 10,107 is: 15,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.88 : 27,631.32 = 10,107 : x
  2. Step 2: Convert to fraction form
    18,422.88/27,631.32 = 10,107/x
  3. Step 3: Cross multiply
    18,422.88x = 27,631.32 × 10,107
  4. Step 4: Simplify right side
    18,422.88x = 279,269,751.24
  5. Step 5: Solve for x
    x = 279,269,751.24/18,422.88
  6. Step 6: Final answer
    x = 15,158.85

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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.