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Finding the Fourth Proportional to 25,815.25, 38,699.92 and 9,173.08

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Solution

The fourth proportional to 25,815.25, 38,699.92 and 9,173.08 is: 13,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.25 : 38,699.92 = 9,173.08 : x
  2. Step 2: Convert to fraction form
    25,815.25/38,699.92 = 9,173.08/x
  3. Step 3: Cross multiply
    25,815.25x = 38,699.92 × 9,173.08
  4. Step 4: Simplify right side
    25,815.25x = 354,997,462.15
  5. Step 5: Solve for x
    x = 354,997,462.15/25,815.25
  6. Step 6: Final answer
    x = 13,751.46

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