Home / 23,990.36-33,104.39-13,380.68

Finding the Fourth Proportional to 23,990.36, 33,104.39 and 13,380.68

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Solution

The fourth proportional to 23,990.36, 33,104.39 and 13,380.68 is: 18,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.36 : 33,104.39 = 13,380.68 : x
  2. Step 2: Convert to fraction form
    23,990.36/33,104.39 = 13,380.68/x
  3. Step 3: Cross multiply
    23,990.36x = 33,104.39 × 13,380.68
  4. Step 4: Simplify right side
    23,990.36x = 442,959,016.76
  5. Step 5: Solve for x
    x = 442,959,016.76/23,990.36
  6. Step 6: Final answer
    x = 18,464.05

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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.