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Finding the Fourth Proportional to 20,795.75, 28,698.41 and 11,364.52

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Solution

The fourth proportional to 20,795.75, 28,698.41 and 11,364.52 is: 15,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.75 : 28,698.41 = 11,364.52 : x
  2. Step 2: Convert to fraction form
    20,795.75/28,698.41 = 11,364.52/x
  3. Step 3: Cross multiply
    20,795.75x = 28,698.41 × 11,364.52
  4. Step 4: Simplify right side
    20,795.75x = 326,143,654.41
  5. Step 5: Solve for x
    x = 326,143,654.41/20,795.75
  6. Step 6: Final answer
    x = 15,683.19

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