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Finding the Fourth Proportional to 26,908, 37,133.08 and 15,132

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Solution

The fourth proportional to 26,908, 37,133.08 and 15,132 is: 20,882.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,908 : 37,133.08 = 15,132 : x
  2. Step 2: Convert to fraction form
    26,908/37,133.08 = 15,132/x
  3. Step 3: Cross multiply
    26,908x = 37,133.08 × 15,132
  4. Step 4: Simplify right side
    26,908x = 561,897,766.56
  5. Step 5: Solve for x
    x = 561,897,766.56/26,908
  6. Step 6: Final answer
    x = 20,882.18

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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.