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Finding the Fourth Proportional to 25,776.29, 35,560.64 and 16,820.57

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Solution

The fourth proportional to 25,776.29, 35,560.64 and 16,820.57 is: 23,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.29 : 35,560.64 = 16,820.57 : x
  2. Step 2: Convert to fraction form
    25,776.29/35,560.64 = 16,820.57/x
  3. Step 3: Cross multiply
    25,776.29x = 35,560.64 × 16,820.57
  4. Step 4: Simplify right side
    25,776.29x = 598,149,972.46
  5. Step 5: Solve for x
    x = 598,149,972.46/25,776.29
  6. Step 6: Final answer
    x = 23,205.44

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