Home / 27,311.26-37,690.24-15,375.03

Finding the Fourth Proportional to 27,311.26, 37,690.24 and 15,375.03

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Solution

The fourth proportional to 27,311.26, 37,690.24 and 15,375.03 is: 21,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.26 : 37,690.24 = 15,375.03 : x
  2. Step 2: Convert to fraction form
    27,311.26/37,690.24 = 15,375.03/x
  3. Step 3: Cross multiply
    27,311.26x = 37,690.24 × 15,375.03
  4. Step 4: Simplify right side
    27,311.26x = 579,488,382.26
  5. Step 5: Solve for x
    x = 579,488,382.26/27,311.26
  6. Step 6: Final answer
    x = 21,217.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.