Home / 26,747.87-40,128.47-8,028.25

Finding the Fourth Proportional to 26,747.87, 40,128.47 and 8,028.25

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Solution

The fourth proportional to 26,747.87, 40,128.47 and 8,028.25 is: 12,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.87 : 40,128.47 = 8,028.25 : x
  2. Step 2: Convert to fraction form
    26,747.87/40,128.47 = 8,028.25/x
  3. Step 3: Cross multiply
    26,747.87x = 40,128.47 × 8,028.25
  4. Step 4: Simplify right side
    26,747.87x = 322,161,278.92
  5. Step 5: Solve for x
    x = 322,161,278.92/26,747.87
  6. Step 6: Final answer
    x = 12,044.37

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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.