Home / 27,778.05-41,676.80-8,057.79

Finding the Fourth Proportional to 27,778.05, 41,676.80 and 8,057.79

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Solution

The fourth proportional to 27,778.05, 41,676.80 and 8,057.79 is: 12,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.05 : 41,676.80 = 8,057.79 : x
  2. Step 2: Convert to fraction form
    27,778.05/41,676.80 = 8,057.79/x
  3. Step 3: Cross multiply
    27,778.05x = 41,676.80 × 8,057.79
  4. Step 4: Simplify right side
    27,778.05x = 335,822,861.98
  5. Step 5: Solve for x
    x = 335,822,861.98/27,778.05
  6. Step 6: Final answer
    x = 12,089.50

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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.