Home / 25,309.44-34,929.12-13,979.97

Finding the Fourth Proportional to 25,309.44, 34,929.12 and 13,979.97

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Solution

The fourth proportional to 25,309.44, 34,929.12 and 13,979.97 is: 19,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,309.44 : 34,929.12 = 13,979.97 : x
  2. Step 2: Convert to fraction form
    25,309.44/34,929.12 = 13,979.97/x
  3. Step 3: Cross multiply
    25,309.44x = 34,929.12 × 13,979.97
  4. Step 4: Simplify right side
    25,309.44x = 488,308,049.73
  5. Step 5: Solve for x
    x = 488,308,049.73/25,309.44
  6. Step 6: Final answer
    x = 19,293.51

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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.