Home / 28,339.44-42,500.52-13,540.56

Finding the Fourth Proportional to 28,339.44, 42,500.52 and 13,540.56

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Solution

The fourth proportional to 28,339.44, 42,500.52 and 13,540.56 is: 20,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.44 : 42,500.52 = 13,540.56 : x
  2. Step 2: Convert to fraction form
    28,339.44/42,500.52 = 13,540.56/x
  3. Step 3: Cross multiply
    28,339.44x = 42,500.52 × 13,540.56
  4. Step 4: Simplify right side
    28,339.44x = 575,480,841.09
  5. Step 5: Solve for x
    x = 575,480,841.09/28,339.44
  6. Step 6: Final answer
    x = 20,306.71

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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.