Home / 27,687.45-41,531.22-7,961.43

Finding the Fourth Proportional to 27,687.45, 41,531.22 and 7,961.43

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Solution

The fourth proportional to 27,687.45, 41,531.22 and 7,961.43 is: 11,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.45 : 41,531.22 = 7,961.43 : x
  2. Step 2: Convert to fraction form
    27,687.45/41,531.22 = 7,961.43/x
  3. Step 3: Cross multiply
    27,687.45x = 41,531.22 × 7,961.43
  4. Step 4: Simplify right side
    27,687.45x = 330,647,900.84
  5. Step 5: Solve for x
    x = 330,647,900.84/27,687.45
  6. Step 6: Final answer
    x = 11,942.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.