Home / 54,268.79-81,414.82-16,828.05

Finding the Fourth Proportional to 54,268.79, 81,414.82 and 16,828.05

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Solution

The fourth proportional to 54,268.79, 81,414.82 and 16,828.05 is: 25,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.79 : 81,414.82 = 16,828.05 : x
  2. Step 2: Convert to fraction form
    54,268.79/81,414.82 = 16,828.05/x
  3. Step 3: Cross multiply
    54,268.79x = 81,414.82 × 16,828.05
  4. Step 4: Simplify right side
    54,268.79x = 1,370,052,988.04
  5. Step 5: Solve for x
    x = 1,370,052,988.04/54,268.79
  6. Step 6: Final answer
    x = 25,245.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.