Home / 25,279.79-34,886.97-13,949.69

Finding the Fourth Proportional to 25,279.79, 34,886.97 and 13,949.69

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Solution

The fourth proportional to 25,279.79, 34,886.97 and 13,949.69 is: 19,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.79 : 34,886.97 = 13,949.69 : x
  2. Step 2: Convert to fraction form
    25,279.79/34,886.97 = 13,949.69/x
  3. Step 3: Cross multiply
    25,279.79x = 34,886.97 × 13,949.69
  4. Step 4: Simplify right side
    25,279.79x = 486,662,242.10
  5. Step 5: Solve for x
    x = 486,662,242.10/25,279.79
  6. Step 6: Final answer
    x = 19,251.04

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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.