Home / 27,458.64-41,189.60-7,738.88

Finding the Fourth Proportional to 27,458.64, 41,189.60 and 7,738.88

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Solution

The fourth proportional to 27,458.64, 41,189.60 and 7,738.88 is: 11,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.64 : 41,189.60 = 7,738.88 : x
  2. Step 2: Convert to fraction form
    27,458.64/41,189.60 = 7,738.88/x
  3. Step 3: Cross multiply
    27,458.64x = 41,189.60 × 7,738.88
  4. Step 4: Simplify right side
    27,458.64x = 318,761,371.65
  5. Step 5: Solve for x
    x = 318,761,371.65/27,458.64
  6. Step 6: Final answer
    x = 11,608.78

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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.