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Finding the Fourth Proportional to 17,892.81, 26,839.22 and 6,796.87

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Solution

The fourth proportional to 17,892.81, 26,839.22 and 6,796.87 is: 10,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.81 : 26,839.22 = 6,796.87 : x
  2. Step 2: Convert to fraction form
    17,892.81/26,839.22 = 6,796.87/x
  3. Step 3: Cross multiply
    17,892.81x = 26,839.22 × 6,796.87
  4. Step 4: Simplify right side
    17,892.81x = 182,422,689.24
  5. Step 5: Solve for x
    x = 182,422,689.24/17,892.81
  6. Step 6: Final answer
    x = 10,195.31

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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.