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Finding the Fourth Proportional to 25,805.99, 38,643.38 and 23,640.86

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Solution

The fourth proportional to 25,805.99, 38,643.38 and 23,640.86 is: 35,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,805.99 : 38,643.38 = 23,640.86 : x
  2. Step 2: Convert to fraction form
    25,805.99/38,643.38 = 23,640.86/x
  3. Step 3: Cross multiply
    25,805.99x = 38,643.38 × 23,640.86
  4. Step 4: Simplify right side
    25,805.99x = 913,562,803.56
  5. Step 5: Solve for x
    x = 913,562,803.56/25,805.99
  6. Step 6: Final answer
    x = 35,401.19

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