Home / 26,408.30-39,610.49-9,760.55

Finding the Fourth Proportional to 26,408.30, 39,610.49 and 9,760.55

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Solution

The fourth proportional to 26,408.30, 39,610.49 and 9,760.55 is: 14,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,408.30 : 39,610.49 = 9,760.55 : x
  2. Step 2: Convert to fraction form
    26,408.30/39,610.49 = 9,760.55/x
  3. Step 3: Cross multiply
    26,408.30x = 39,610.49 × 9,760.55
  4. Step 4: Simplify right side
    26,408.30x = 386,619,921.31
  5. Step 5: Solve for x
    x = 386,619,921.31/26,408.30
  6. Step 6: Final answer
    x = 14,640.09

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1.5x scale

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.