Home / 27,126.12-37,429.68-15,189.96

Finding the Fourth Proportional to 27,126.12, 37,429.68 and 15,189.96

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Solution

The fourth proportional to 27,126.12, 37,429.68 and 15,189.96 is: 20,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.12 : 37,429.68 = 15,189.96 : x
  2. Step 2: Convert to fraction form
    27,126.12/37,429.68 = 15,189.96/x
  3. Step 3: Cross multiply
    27,126.12x = 37,429.68 × 15,189.96
  4. Step 4: Simplify right side
    27,126.12x = 568,555,342.01
  5. Step 5: Solve for x
    x = 568,555,342.01/27,126.12
  6. Step 6: Final answer
    x = 20,959.70

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