Home / 27,912.75-41,858.19-11,269.68

Finding the Fourth Proportional to 27,912.75, 41,858.19 and 11,269.68

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Solution

The fourth proportional to 27,912.75, 41,858.19 and 11,269.68 is: 16,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.75 : 41,858.19 = 11,269.68 : x
  2. Step 2: Convert to fraction form
    27,912.75/41,858.19 = 11,269.68/x
  3. Step 3: Cross multiply
    27,912.75x = 41,858.19 × 11,269.68
  4. Step 4: Simplify right side
    27,912.75x = 471,728,406.68
  5. Step 5: Solve for x
    x = 471,728,406.68/27,912.75
  6. Step 6: Final answer
    x = 16,900.11

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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.