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Finding the Fourth Proportional to 19,773.87, 27,287.91 and 10,821.37

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Solution

The fourth proportional to 19,773.87, 27,287.91 and 10,821.37 is: 14,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,773.87 : 27,287.91 = 10,821.37 : x
  2. Step 2: Convert to fraction form
    19,773.87/27,287.91 = 10,821.37/x
  3. Step 3: Cross multiply
    19,773.87x = 27,287.91 × 10,821.37
  4. Step 4: Simplify right side
    19,773.87x = 295,292,570.64
  5. Step 5: Solve for x
    x = 295,292,570.64/19,773.87
  6. Step 6: Final answer
    x = 14,933.47

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