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Finding the Fourth Proportional to 26,208, 36,162.09 and 15,456.25

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Solution

The fourth proportional to 26,208, 36,162.09 and 15,456.25 is: 21,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,208 : 36,162.09 = 15,456.25 : x
  2. Step 2: Convert to fraction form
    26,208/36,162.09 = 15,456.25/x
  3. Step 3: Cross multiply
    26,208x = 36,162.09 × 15,456.25
  4. Step 4: Simplify right side
    26,208x = 558,930,303.56
  5. Step 5: Solve for x
    x = 558,930,303.56/26,208
  6. Step 6: Final answer
    x = 21,326.71

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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.