Home / 26,321.78-39,471.44-15,236.12

Finding the Fourth Proportional to 26,321.78, 39,471.44 and 15,236.12

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Solution

The fourth proportional to 26,321.78, 39,471.44 and 15,236.12 is: 22,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.78 : 39,471.44 = 15,236.12 : x
  2. Step 2: Convert to fraction form
    26,321.78/39,471.44 = 15,236.12/x
  3. Step 3: Cross multiply
    26,321.78x = 39,471.44 × 15,236.12
  4. Step 4: Simplify right side
    26,321.78x = 601,391,520.23
  5. Step 5: Solve for x
    x = 601,391,520.23/26,321.78
  6. Step 6: Final answer
    x = 22,847.68

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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.