Home / 27,379.62-41,076.72-8,660.12

Finding the Fourth Proportional to 27,379.62, 41,076.72 and 8,660.12

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Solution

The fourth proportional to 27,379.62, 41,076.72 and 8,660.12 is: 12,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.62 : 41,076.72 = 8,660.12 : x
  2. Step 2: Convert to fraction form
    27,379.62/41,076.72 = 8,660.12/x
  3. Step 3: Cross multiply
    27,379.62x = 41,076.72 × 8,660.12
  4. Step 4: Simplify right side
    27,379.62x = 355,729,119.02
  5. Step 5: Solve for x
    x = 355,729,119.02/27,379.62
  6. Step 6: Final answer
    x = 12,992.48

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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.