Home / 54,268.24-81,415-16,826.36

Finding the Fourth Proportional to 54,268.24, 81,415 and 16,826.36

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Solution

The fourth proportional to 54,268.24, 81,415 and 16,826.36 is: 25,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,268.24 : 81,415 = 16,826.36 : x
  2. Step 2: Convert to fraction form
    54,268.24/81,415 = 16,826.36/x
  3. Step 3: Cross multiply
    54,268.24x = 81,415 × 16,826.36
  4. Step 4: Simplify right side
    54,268.24x = 1,369,918,099.40
  5. Step 5: Solve for x
    x = 1,369,918,099.40/54,268.24
  6. Step 6: Final answer
    x = 25,243.46

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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.