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Finding the Fourth Proportional to 25,415.44, 38,123.16 and 6,947.44

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Solution

The fourth proportional to 25,415.44, 38,123.16 and 6,947.44 is: 10,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.44 : 38,123.16 = 6,947.44 : x
  2. Step 2: Convert to fraction form
    25,415.44/38,123.16 = 6,947.44/x
  3. Step 3: Cross multiply
    25,415.44x = 38,123.16 × 6,947.44
  4. Step 4: Simplify right side
    25,415.44x = 264,858,245.35
  5. Step 5: Solve for x
    x = 264,858,245.35/25,415.44
  6. Step 6: Final answer
    x = 10,421.16

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