Home / 26,743.31-40,087.12-8,960.57

Finding the Fourth Proportional to 26,743.31, 40,087.12 and 8,960.57

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Solution

The fourth proportional to 26,743.31, 40,087.12 and 8,960.57 is: 13,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,743.31 : 40,087.12 = 8,960.57 : x
  2. Step 2: Convert to fraction form
    26,743.31/40,087.12 = 8,960.57/x
  3. Step 3: Cross multiply
    26,743.31x = 40,087.12 × 8,960.57
  4. Step 4: Simplify right side
    26,743.31x = 359,203,614.64
  5. Step 5: Solve for x
    x = 359,203,614.64/26,743.31
  6. Step 6: Final answer
    x = 13,431.53

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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.