Home / 25,268.88-34,871.34-13,938.87

Finding the Fourth Proportional to 25,268.88, 34,871.34 and 13,938.87

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Solution

The fourth proportional to 25,268.88, 34,871.34 and 13,938.87 is: 19,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,268.88 : 34,871.34 = 13,938.87 : x
  2. Step 2: Convert to fraction form
    25,268.88/34,871.34 = 13,938.87/x
  3. Step 3: Cross multiply
    25,268.88x = 34,871.34 × 13,938.87
  4. Step 4: Simplify right side
    25,268.88x = 486,067,074.99
  5. Step 5: Solve for x
    x = 486,067,074.99/25,268.88
  6. Step 6: Final answer
    x = 19,235.80

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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.