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Finding the Fourth Proportional to 18,624.15, 27,942.39 and 7,524.81

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Solution

The fourth proportional to 18,624.15, 27,942.39 and 7,524.81 is: 11,289.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.15 : 27,942.39 = 7,524.81 : x
  2. Step 2: Convert to fraction form
    18,624.15/27,942.39 = 7,524.81/x
  3. Step 3: Cross multiply
    18,624.15x = 27,942.39 × 7,524.81
  4. Step 4: Simplify right side
    18,624.15x = 210,261,175.70
  5. Step 5: Solve for x
    x = 210,261,175.70/18,624.15
  6. Step 6: Final answer
    x = 11,289.71

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