Home / 20,495.04-28,239.84-16,520.64

Finding the Fourth Proportional to 20,495.04, 28,239.84 and 16,520.64

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Solution

The fourth proportional to 20,495.04, 28,239.84 and 16,520.64 is: 22,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.04 : 28,239.84 = 16,520.64 : x
  2. Step 2: Convert to fraction form
    20,495.04/28,239.84 = 16,520.64/x
  3. Step 3: Cross multiply
    20,495.04x = 28,239.84 × 16,520.64
  4. Step 4: Simplify right side
    20,495.04x = 466,540,230.30
  5. Step 5: Solve for x
    x = 466,540,230.30/20,495.04
  6. Step 6: Final answer
    x = 22,763.57

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