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Finding the Fourth Proportional to 47,987.44, 71,980.64 and 16,397.20

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Solution

The fourth proportional to 47,987.44, 71,980.64 and 16,397.20 is: 24,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987.44 : 71,980.64 = 16,397.20 : x
  2. Step 2: Convert to fraction form
    47,987.44/71,980.64 = 16,397.20/x
  3. Step 3: Cross multiply
    47,987.44x = 71,980.64 × 16,397.20
  4. Step 4: Simplify right side
    47,987.44x = 1,180,280,950.21
  5. Step 5: Solve for x
    x = 1,180,280,950.21/47,987.44
  6. Step 6: Final answer
    x = 24,595.62

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