Home / 18,129.26-27,161.67-7,576.02

Finding the Fourth Proportional to 18,129.26, 27,161.67 and 7,576.02

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Solution

The fourth proportional to 18,129.26, 27,161.67 and 7,576.02 is: 11,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.26 : 27,161.67 = 7,576.02 : x
  2. Step 2: Convert to fraction form
    18,129.26/27,161.67 = 7,576.02/x
  3. Step 3: Cross multiply
    18,129.26x = 27,161.67 × 7,576.02
  4. Step 4: Simplify right side
    18,129.26x = 205,777,355.15
  5. Step 5: Solve for x
    x = 205,777,355.15/18,129.26
  6. Step 6: Final answer
    x = 11,350.57

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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.