Home / 17,912.70-26,872.29-5,905.49

Finding the Fourth Proportional to 17,912.70, 26,872.29 and 5,905.49

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Solution

The fourth proportional to 17,912.70, 26,872.29 and 5,905.49 is: 8,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.70 : 26,872.29 = 5,905.49 : x
  2. Step 2: Convert to fraction form
    17,912.70/26,872.29 = 5,905.49/x
  3. Step 3: Cross multiply
    17,912.70x = 26,872.29 × 5,905.49
  4. Step 4: Simplify right side
    17,912.70x = 158,694,039.87
  5. Step 5: Solve for x
    x = 158,694,039.87/17,912.70
  6. Step 6: Final answer
    x = 8,859.30

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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.