Home / 28,229.37-42,350.51-9,508.92

Finding the Fourth Proportional to 28,229.37, 42,350.51 and 9,508.92

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Solution

The fourth proportional to 28,229.37, 42,350.51 and 9,508.92 is: 14,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.37 : 42,350.51 = 9,508.92 : x
  2. Step 2: Convert to fraction form
    28,229.37/42,350.51 = 9,508.92/x
  3. Step 3: Cross multiply
    28,229.37x = 42,350.51 × 9,508.92
  4. Step 4: Simplify right side
    28,229.37x = 402,707,611.55
  5. Step 5: Solve for x
    x = 402,707,611.55/28,229.37
  6. Step 6: Final answer
    x = 14,265.55

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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.