Home / 17,087.28-25,634.90-5,400.20

Finding the Fourth Proportional to 17,087.28, 25,634.90 and 5,400.20

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Solution

The fourth proportional to 17,087.28, 25,634.90 and 5,400.20 is: 8,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.28 : 25,634.90 = 5,400.20 : x
  2. Step 2: Convert to fraction form
    17,087.28/25,634.90 = 5,400.20/x
  3. Step 3: Cross multiply
    17,087.28x = 25,634.90 × 5,400.20
  4. Step 4: Simplify right side
    17,087.28x = 138,433,586.98
  5. Step 5: Solve for x
    x = 138,433,586.98/17,087.28
  6. Step 6: Final answer
    x = 8,101.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.