Home / 17,687.66-26,531.82-14,161.28

Finding the Fourth Proportional to 17,687.66, 26,531.82 and 14,161.28

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Solution

The fourth proportional to 17,687.66, 26,531.82 and 14,161.28 is: 21,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.66 : 26,531.82 = 14,161.28 : x
  2. Step 2: Convert to fraction form
    17,687.66/26,531.82 = 14,161.28/x
  3. Step 3: Cross multiply
    17,687.66x = 26,531.82 × 14,161.28
  4. Step 4: Simplify right side
    17,687.66x = 375,724,531.93
  5. Step 5: Solve for x
    x = 375,724,531.93/17,687.66
  6. Step 6: Final answer
    x = 21,242.18

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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.