Home / 25,455.43-35,149.13-15,906.44

Finding the Fourth Proportional to 25,455.43, 35,149.13 and 15,906.44

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Solution

The fourth proportional to 25,455.43, 35,149.13 and 15,906.44 is: 21,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.43 : 35,149.13 = 15,906.44 : x
  2. Step 2: Convert to fraction form
    25,455.43/35,149.13 = 15,906.44/x
  3. Step 3: Cross multiply
    25,455.43x = 35,149.13 × 15,906.44
  4. Step 4: Simplify right side
    25,455.43x = 559,097,527.40
  5. Step 5: Solve for x
    x = 559,097,527.40/25,455.43
  6. Step 6: Final answer
    x = 21,963.78

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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.