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Finding the Fourth Proportional to 15,996.05, 23,929.99 and 13,828.13

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Solution

The fourth proportional to 15,996.05, 23,929.99 and 13,828.13 is: 20,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.05 : 23,929.99 = 13,828.13 : x
  2. Step 2: Convert to fraction form
    15,996.05/23,929.99 = 13,828.13/x
  3. Step 3: Cross multiply
    15,996.05x = 23,929.99 × 13,828.13
  4. Step 4: Simplify right side
    15,996.05x = 330,907,012.62
  5. Step 5: Solve for x
    x = 330,907,012.62/15,996.05
  6. Step 6: Final answer
    x = 20,686.80

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