Home / 25,310.43-34,928.46-13,979.70

Finding the Fourth Proportional to 25,310.43, 34,928.46 and 13,979.70

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Solution

The fourth proportional to 25,310.43, 34,928.46 and 13,979.70 is: 19,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.43 : 34,928.46 = 13,979.70 : x
  2. Step 2: Convert to fraction form
    25,310.43/34,928.46 = 13,979.70/x
  3. Step 3: Cross multiply
    25,310.43x = 34,928.46 × 13,979.70
  4. Step 4: Simplify right side
    25,310.43x = 488,289,392.26
  5. Step 5: Solve for x
    x = 488,289,392.26/25,310.43
  6. Step 6: Final answer
    x = 19,292.02

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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.