Home / 25,268.43-34,871.13-13,938.69

Finding the Fourth Proportional to 25,268.43, 34,871.13 and 13,938.69

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Solution

The fourth proportional to 25,268.43, 34,871.13 and 13,938.69 is: 19,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.43 : 34,871.13 = 13,938.69 : x
  2. Step 2: Convert to fraction form
    25,268.43/34,871.13 = 13,938.69/x
  3. Step 3: Cross multiply
    25,268.43x = 34,871.13 × 13,938.69
  4. Step 4: Simplify right side
    25,268.43x = 486,057,871.02
  5. Step 5: Solve for x
    x = 486,057,871.02/25,268.43
  6. Step 6: Final answer
    x = 19,235.78

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Why These Related Problems?

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