Home / 26,560.08-39,836.26-7,839.20

Finding the Fourth Proportional to 26,560.08, 39,836.26 and 7,839.20

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Solution

The fourth proportional to 26,560.08, 39,836.26 and 7,839.20 is: 11,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.08 : 39,836.26 = 7,839.20 : x
  2. Step 2: Convert to fraction form
    26,560.08/39,836.26 = 7,839.20/x
  3. Step 3: Cross multiply
    26,560.08x = 39,836.26 × 7,839.20
  4. Step 4: Simplify right side
    26,560.08x = 312,284,409.39
  5. Step 5: Solve for x
    x = 312,284,409.39/26,560.08
  6. Step 6: Final answer
    x = 11,757.66

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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.