Home / 27,589.12-41,379.69-8,866.71

Finding the Fourth Proportional to 27,589.12, 41,379.69 and 8,866.71

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Solution

The fourth proportional to 27,589.12, 41,379.69 and 8,866.71 is: 13,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.12 : 41,379.69 = 8,866.71 : x
  2. Step 2: Convert to fraction form
    27,589.12/41,379.69 = 8,866.71/x
  3. Step 3: Cross multiply
    27,589.12x = 41,379.69 × 8,866.71
  4. Step 4: Simplify right side
    27,589.12x = 366,901,711.12
  5. Step 5: Solve for x
    x = 366,901,711.12/27,589.12
  6. Step 6: Final answer
    x = 13,298.78

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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.