Home / 26,261.30-39,391.34-8,731.28

Finding the Fourth Proportional to 26,261.30, 39,391.34 and 8,731.28

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Solution

The fourth proportional to 26,261.30, 39,391.34 and 8,731.28 is: 13,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.30 : 39,391.34 = 8,731.28 : x
  2. Step 2: Convert to fraction form
    26,261.30/39,391.34 = 8,731.28/x
  3. Step 3: Cross multiply
    26,261.30x = 39,391.34 × 8,731.28
  4. Step 4: Simplify right side
    26,261.30x = 343,936,578.50
  5. Step 5: Solve for x
    x = 343,936,578.50/26,261.30
  6. Step 6: Final answer
    x = 13,096.71

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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.