Home / 25,615.16-35,351.94-14,286.44

Finding the Fourth Proportional to 25,615.16, 35,351.94 and 14,286.44

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Solution

The fourth proportional to 25,615.16, 35,351.94 and 14,286.44 is: 19,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.16 : 35,351.94 = 14,286.44 : x
  2. Step 2: Convert to fraction form
    25,615.16/35,351.94 = 14,286.44/x
  3. Step 3: Cross multiply
    25,615.16x = 35,351.94 × 14,286.44
  4. Step 4: Simplify right side
    25,615.16x = 505,053,369.69
  5. Step 5: Solve for x
    x = 505,053,369.69/25,615.16
  6. Step 6: Final answer
    x = 19,716.97

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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.