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Finding the Fourth Proportional to 28,851, 39,813.64 and 16,274.76

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Solution

The fourth proportional to 28,851, 39,813.64 and 16,274.76 is: 22,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851 : 39,813.64 = 16,274.76 : x
  2. Step 2: Convert to fraction form
    28,851/39,813.64 = 16,274.76/x
  3. Step 3: Cross multiply
    28,851x = 39,813.64 × 16,274.76
  4. Step 4: Simplify right side
    28,851x = 647,957,435.73
  5. Step 5: Solve for x
    x = 647,957,435.73/28,851
  6. Step 6: Final answer
    x = 22,458.75

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