Home / 26,896.80-40,345.20-25,147.20

Finding the Fourth Proportional to 26,896.80, 40,345.20 and 25,147.20

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Solution

The fourth proportional to 26,896.80, 40,345.20 and 25,147.20 is: 37,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,896.80 : 40,345.20 = 25,147.20 : x
  2. Step 2: Convert to fraction form
    26,896.80/40,345.20 = 25,147.20/x
  3. Step 3: Cross multiply
    26,896.80x = 40,345.20 × 25,147.20
  4. Step 4: Simplify right side
    26,896.80x = 1,014,568,813.44
  5. Step 5: Solve for x
    x = 1,014,568,813.44/26,896.80
  6. Step 6: Final answer
    x = 37,720.80

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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.