Home / 27,098.29-40,651.35-8,379.87

Finding the Fourth Proportional to 27,098.29, 40,651.35 and 8,379.87

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Solution

The fourth proportional to 27,098.29, 40,651.35 and 8,379.87 is: 12,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,098.29 : 40,651.35 = 8,379.87 : x
  2. Step 2: Convert to fraction form
    27,098.29/40,651.35 = 8,379.87/x
  3. Step 3: Cross multiply
    27,098.29x = 40,651.35 × 8,379.87
  4. Step 4: Simplify right side
    27,098.29x = 340,653,028.32
  5. Step 5: Solve for x
    x = 340,653,028.32/27,098.29
  6. Step 6: Final answer
    x = 12,571.02

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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.