Home / 17,837.28-26,721.36-13,724.64

Finding the Fourth Proportional to 17,837.28, 26,721.36 and 13,724.64

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Solution

The fourth proportional to 17,837.28, 26,721.36 and 13,724.64 is: 20,560.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,837.28 : 26,721.36 = 13,724.64 : x
  2. Step 2: Convert to fraction form
    17,837.28/26,721.36 = 13,724.64/x
  3. Step 3: Cross multiply
    17,837.28x = 26,721.36 × 13,724.64
  4. Step 4: Simplify right side
    17,837.28x = 366,741,046.31
  5. Step 5: Solve for x
    x = 366,741,046.31/17,837.28
  6. Step 6: Final answer
    x = 20,560.37

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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.