Home / 27,356.87-37,751.96-15,419.97

Finding the Fourth Proportional to 27,356.87, 37,751.96 and 15,419.97

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Solution

The fourth proportional to 27,356.87, 37,751.96 and 15,419.97 is: 21,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.87 : 37,751.96 = 15,419.97 : x
  2. Step 2: Convert to fraction form
    27,356.87/37,751.96 = 15,419.97/x
  3. Step 3: Cross multiply
    27,356.87x = 37,751.96 × 15,419.97
  4. Step 4: Simplify right side
    27,356.87x = 582,134,013.54
  5. Step 5: Solve for x
    x = 582,134,013.54/27,356.87
  6. Step 6: Final answer
    x = 21,279.27

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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.