Home / 17,431.31-26,241.82-15,881.28

Finding the Fourth Proportional to 17,431.31, 26,241.82 and 15,881.28

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Solution

The fourth proportional to 17,431.31, 26,241.82 and 15,881.28 is: 23,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.31 : 26,241.82 = 15,881.28 : x
  2. Step 2: Convert to fraction form
    17,431.31/26,241.82 = 15,881.28/x
  3. Step 3: Cross multiply
    17,431.31x = 26,241.82 × 15,881.28
  4. Step 4: Simplify right side
    17,431.31x = 416,753,553.02
  5. Step 5: Solve for x
    x = 416,753,553.02/17,431.31
  6. Step 6: Final answer
    x = 23,908.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.