Home / 27,399.20-41,103.48-8,678.92

Finding the Fourth Proportional to 27,399.20, 41,103.48 and 8,678.92

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Solution

The fourth proportional to 27,399.20, 41,103.48 and 8,678.92 is: 13,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.20 : 41,103.48 = 8,678.92 : x
  2. Step 2: Convert to fraction form
    27,399.20/41,103.48 = 8,678.92/x
  3. Step 3: Cross multiply
    27,399.20x = 41,103.48 × 8,678.92
  4. Step 4: Simplify right side
    27,399.20x = 356,733,814.64
  5. Step 5: Solve for x
    x = 356,733,814.64/27,399.20
  6. Step 6: Final answer
    x = 13,019.86

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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.