Home / 26,768.75-40,124.13-11,957.27

Finding the Fourth Proportional to 26,768.75, 40,124.13 and 11,957.27

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Solution

The fourth proportional to 26,768.75, 40,124.13 and 11,957.27 is: 17,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.75 : 40,124.13 = 11,957.27 : x
  2. Step 2: Convert to fraction form
    26,768.75/40,124.13 = 11,957.27/x
  3. Step 3: Cross multiply
    26,768.75x = 40,124.13 × 11,957.27
  4. Step 4: Simplify right side
    26,768.75x = 479,775,055.93
  5. Step 5: Solve for x
    x = 479,775,055.93/26,768.75
  6. Step 6: Final answer
    x = 17,922.95

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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.