Home / 28,777.20-43,148.20-11,226.80

Finding the Fourth Proportional to 28,777.20, 43,148.20 and 11,226.80

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Solution

The fourth proportional to 28,777.20, 43,148.20 and 11,226.80 is: 16,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.20 : 43,148.20 = 11,226.80 : x
  2. Step 2: Convert to fraction form
    28,777.20/43,148.20 = 11,226.80/x
  3. Step 3: Cross multiply
    28,777.20x = 43,148.20 × 11,226.80
  4. Step 4: Simplify right side
    28,777.20x = 484,416,211.76
  5. Step 5: Solve for x
    x = 484,416,211.76/28,777.20
  6. Step 6: Final answer
    x = 16,833.33

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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.