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Finding the Fourth Proportional to 25,628.63, 38,449.42 and 7,160.63

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Solution

The fourth proportional to 25,628.63, 38,449.42 and 7,160.63 is: 10,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.63 : 38,449.42 = 7,160.63 : x
  2. Step 2: Convert to fraction form
    25,628.63/38,449.42 = 7,160.63/x
  3. Step 3: Cross multiply
    25,628.63x = 38,449.42 × 7,160.63
  4. Step 4: Simplify right side
    25,628.63x = 275,321,860.19
  5. Step 5: Solve for x
    x = 275,321,860.19/25,628.63
  6. Step 6: Final answer
    x = 10,742.75

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