Home / 18,825.60-28,229.28-5,675.52

Finding the Fourth Proportional to 18,825.60, 28,229.28 and 5,675.52

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Solution

The fourth proportional to 18,825.60, 28,229.28 and 5,675.52 is: 8,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.60 : 28,229.28 = 5,675.52 : x
  2. Step 2: Convert to fraction form
    18,825.60/28,229.28 = 5,675.52/x
  3. Step 3: Cross multiply
    18,825.60x = 28,229.28 × 5,675.52
  4. Step 4: Simplify right side
    18,825.60x = 160,215,843.23
  5. Step 5: Solve for x
    x = 160,215,843.23/18,825.60
  6. Step 6: Final answer
    x = 8,510.53

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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.