Home / 18,396.26-27,589.82-5,248.74

Finding the Fourth Proportional to 18,396.26, 27,589.82 and 5,248.74

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Solution

The fourth proportional to 18,396.26, 27,589.82 and 5,248.74 is: 7,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.26 : 27,589.82 = 5,248.74 : x
  2. Step 2: Convert to fraction form
    18,396.26/27,589.82 = 5,248.74/x
  3. Step 3: Cross multiply
    18,396.26x = 27,589.82 × 5,248.74
  4. Step 4: Simplify right side
    18,396.26x = 144,811,765.58
  5. Step 5: Solve for x
    x = 144,811,765.58/18,396.26
  6. Step 6: Final answer
    x = 7,871.81

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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.