Home / 27,845.80-41,768.10-18,545.40

Finding the Fourth Proportional to 27,845.80, 41,768.10 and 18,545.40

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Solution

The fourth proportional to 27,845.80, 41,768.10 and 18,545.40 is: 27,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.80 : 41,768.10 = 18,545.40 : x
  2. Step 2: Convert to fraction form
    27,845.80/41,768.10 = 18,545.40/x
  3. Step 3: Cross multiply
    27,845.80x = 41,768.10 × 18,545.40
  4. Step 4: Simplify right side
    27,845.80x = 774,606,121.74
  5. Step 5: Solve for x
    x = 774,606,121.74/27,845.80
  6. Step 6: Final answer
    x = 27,817.70

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