Home / 19,968.25-27,556.27-11,015.75

Finding the Fourth Proportional to 19,968.25, 27,556.27 and 11,015.75

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Solution

The fourth proportional to 19,968.25, 27,556.27 and 11,015.75 is: 15,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.25 : 27,556.27 = 11,015.75 : x
  2. Step 2: Convert to fraction form
    19,968.25/27,556.27 = 11,015.75/x
  3. Step 3: Cross multiply
    19,968.25x = 27,556.27 × 11,015.75
  4. Step 4: Simplify right side
    19,968.25x = 303,552,898.58
  5. Step 5: Solve for x
    x = 303,552,898.58/19,968.25
  6. Step 6: Final answer
    x = 15,201.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.