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Finding the Fourth Proportional to 57,018.87, 85,528.35 and 15,465.87

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Solution

The fourth proportional to 57,018.87, 85,528.35 and 15,465.87 is: 23,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,018.87 : 85,528.35 = 15,465.87 : x
  2. Step 2: Convert to fraction form
    57,018.87/85,528.35 = 15,465.87/x
  3. Step 3: Cross multiply
    57,018.87x = 85,528.35 × 15,465.87
  4. Step 4: Simplify right side
    57,018.87x = 1,322,770,342.41
  5. Step 5: Solve for x
    x = 1,322,770,342.41/57,018.87
  6. Step 6: Final answer
    x = 23,198.82

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