Home / 27,780.05-41,679.80-8,059.79

Finding the Fourth Proportional to 27,780.05, 41,679.80 and 8,059.79

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Solution

The fourth proportional to 27,780.05, 41,679.80 and 8,059.79 is: 12,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,780.05 : 41,679.80 = 8,059.79 : x
  2. Step 2: Convert to fraction form
    27,780.05/41,679.80 = 8,059.79/x
  3. Step 3: Cross multiply
    27,780.05x = 41,679.80 × 8,059.79
  4. Step 4: Simplify right side
    27,780.05x = 335,930,435.24
  5. Step 5: Solve for x
    x = 335,930,435.24/27,780.05
  6. Step 6: Final answer
    x = 12,092.51

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1.5x scale

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.