Home / 26,889.88-40,331.70-7,170.04

Finding the Fourth Proportional to 26,889.88, 40,331.70 and 7,170.04

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Solution

The fourth proportional to 26,889.88, 40,331.70 and 7,170.04 is: 10,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.88 : 40,331.70 = 7,170.04 : x
  2. Step 2: Convert to fraction form
    26,889.88/40,331.70 = 7,170.04/x
  3. Step 3: Cross multiply
    26,889.88x = 40,331.70 × 7,170.04
  4. Step 4: Simplify right side
    26,889.88x = 289,179,902.27
  5. Step 5: Solve for x
    x = 289,179,902.27/26,889.88
  6. Step 6: Final answer
    x = 10,754.23

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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.