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Finding the Fourth Proportional to 25,685.65, 38,469.34 and 13,174.93

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Solution

The fourth proportional to 25,685.65, 38,469.34 and 13,174.93 is: 19,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,685.65 : 38,469.34 = 13,174.93 : x
  2. Step 2: Convert to fraction form
    25,685.65/38,469.34 = 13,174.93/x
  3. Step 3: Cross multiply
    25,685.65x = 38,469.34 × 13,174.93
  4. Step 4: Simplify right side
    25,685.65x = 506,830,636.36
  5. Step 5: Solve for x
    x = 506,830,636.36/25,685.65
  6. Step 6: Final answer
    x = 19,732.06

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