Home / 28,917.72-43,382.38-12,277.62

Finding the Fourth Proportional to 28,917.72, 43,382.38 and 12,277.62

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Solution

The fourth proportional to 28,917.72, 43,382.38 and 12,277.62 is: 18,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.72 : 43,382.38 = 12,277.62 : x
  2. Step 2: Convert to fraction form
    28,917.72/43,382.38 = 12,277.62/x
  3. Step 3: Cross multiply
    28,917.72x = 43,382.38 × 12,277.62
  4. Step 4: Simplify right side
    28,917.72x = 532,632,376.34
  5. Step 5: Solve for x
    x = 532,632,376.34/28,917.72
  6. Step 6: Final answer
    x = 18,418.89

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