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Finding the Fourth Proportional to 32,205.76, 44,469.12 and 20,880.64

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Solution

The fourth proportional to 32,205.76, 44,469.12 and 20,880.64 is: 28,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,205.76 : 44,469.12 = 20,880.64 : x
  2. Step 2: Convert to fraction form
    32,205.76/44,469.12 = 20,880.64/x
  3. Step 3: Cross multiply
    32,205.76x = 44,469.12 × 20,880.64
  4. Step 4: Simplify right side
    32,205.76x = 928,543,685.84
  5. Step 5: Solve for x
    x = 928,543,685.84/32,205.76
  6. Step 6: Final answer
    x = 28,831.60

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