Home / 25,278.88-34,887.06-13,949.44

Finding the Fourth Proportional to 25,278.88, 34,887.06 and 13,949.44

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Solution

The fourth proportional to 25,278.88, 34,887.06 and 13,949.44 is: 19,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.88 : 34,887.06 = 13,949.44 : x
  2. Step 2: Convert to fraction form
    25,278.88/34,887.06 = 13,949.44/x
  3. Step 3: Cross multiply
    25,278.88x = 34,887.06 × 13,949.44
  4. Step 4: Simplify right side
    25,278.88x = 486,654,950.25
  5. Step 5: Solve for x
    x = 486,654,950.25/25,278.88
  6. Step 6: Final answer
    x = 19,251.44

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1.5x scale

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.