Home / 26,851.12-40,288.68-13,696.56

Finding the Fourth Proportional to 26,851.12, 40,288.68 and 13,696.56

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Solution

The fourth proportional to 26,851.12, 40,288.68 and 13,696.56 is: 20,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.12 : 40,288.68 = 13,696.56 : x
  2. Step 2: Convert to fraction form
    26,851.12/40,288.68 = 13,696.56/x
  3. Step 3: Cross multiply
    26,851.12x = 40,288.68 × 13,696.56
  4. Step 4: Simplify right side
    26,851.12x = 551,816,322.94
  5. Step 5: Solve for x
    x = 551,816,322.94/26,851.12
  6. Step 6: Final answer
    x = 20,550.96

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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.