Home / 25,738.38-35,517.32-14,405.97

Finding the Fourth Proportional to 25,738.38, 35,517.32 and 14,405.97

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Solution

The fourth proportional to 25,738.38, 35,517.32 and 14,405.97 is: 19,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.38 : 35,517.32 = 14,405.97 : x
  2. Step 2: Convert to fraction form
    25,738.38/35,517.32 = 14,405.97/x
  3. Step 3: Cross multiply
    25,738.38x = 35,517.32 × 14,405.97
  4. Step 4: Simplify right side
    25,738.38x = 511,661,446.40
  5. Step 5: Solve for x
    x = 511,661,446.40/25,738.38
  6. Step 6: Final answer
    x = 19,879.32

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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.