Home / 26,161.38-36,087.93-15,554.43

Finding the Fourth Proportional to 26,161.38, 36,087.93 and 15,554.43

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Solution

The fourth proportional to 26,161.38, 36,087.93 and 15,554.43 is: 21,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.38 : 36,087.93 = 15,554.43 : x
  2. Step 2: Convert to fraction form
    26,161.38/36,087.93 = 15,554.43/x
  3. Step 3: Cross multiply
    26,161.38x = 36,087.93 × 15,554.43
  4. Step 4: Simplify right side
    26,161.38x = 561,327,181.03
  5. Step 5: Solve for x
    x = 561,327,181.03/26,161.38
  6. Step 6: Final answer
    x = 21,456.33

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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.