Home / 27,399.70-41,105.69-8,679.65

Finding the Fourth Proportional to 27,399.70, 41,105.69 and 8,679.65

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Solution

The fourth proportional to 27,399.70, 41,105.69 and 8,679.65 is: 13,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,399.70 : 41,105.69 = 8,679.65 : x
  2. Step 2: Convert to fraction form
    27,399.70/41,105.69 = 8,679.65/x
  3. Step 3: Cross multiply
    27,399.70x = 41,105.69 × 8,679.65
  4. Step 4: Simplify right side
    27,399.70x = 356,782,958.81
  5. Step 5: Solve for x
    x = 356,782,958.81/27,399.70
  6. Step 6: Final answer
    x = 13,021.42

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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.