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Finding the Fourth Proportional to 43,657.59, 65,498.47 and 17,380.78

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Solution

The fourth proportional to 43,657.59, 65,498.47 and 17,380.78 is: 26,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,657.59 : 65,498.47 = 17,380.78 : x
  2. Step 2: Convert to fraction form
    43,657.59/65,498.47 = 17,380.78/x
  3. Step 3: Cross multiply
    43,657.59x = 65,498.47 × 17,380.78
  4. Step 4: Simplify right side
    43,657.59x = 1,138,414,497.41
  5. Step 5: Solve for x
    x = 1,138,414,497.41/43,657.59
  6. Step 6: Final answer
    x = 26,075.98

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