Home / 26,736.75-40,107.29-8,268.75

Finding the Fourth Proportional to 26,736.75, 40,107.29 and 8,268.75

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Solution

The fourth proportional to 26,736.75, 40,107.29 and 8,268.75 is: 12,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.75 : 40,107.29 = 8,268.75 : x
  2. Step 2: Convert to fraction form
    26,736.75/40,107.29 = 8,268.75/x
  3. Step 3: Cross multiply
    26,736.75x = 40,107.29 × 8,268.75
  4. Step 4: Simplify right side
    26,736.75x = 331,637,112.84
  5. Step 5: Solve for x
    x = 331,637,112.84/26,736.75
  6. Step 6: Final answer
    x = 12,403.79

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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.