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Finding the Fourth Proportional to 25,723.78, 35,514.30 and 16,786.78

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Solution

The fourth proportional to 25,723.78, 35,514.30 and 16,786.78 is: 23,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.78 : 35,514.30 = 16,786.78 : x
  2. Step 2: Convert to fraction form
    25,723.78/35,514.30 = 16,786.78/x
  3. Step 3: Cross multiply
    25,723.78x = 35,514.30 × 16,786.78
  4. Step 4: Simplify right side
    25,723.78x = 596,170,740.95
  5. Step 5: Solve for x
    x = 596,170,740.95/25,723.78
  6. Step 6: Final answer
    x = 23,175.86

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