Home / 28,780.82-43,195.83-11,262.95

Finding the Fourth Proportional to 28,780.82, 43,195.83 and 11,262.95

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Solution

The fourth proportional to 28,780.82, 43,195.83 and 11,262.95 is: 16,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.82 : 43,195.83 = 11,262.95 : x
  2. Step 2: Convert to fraction form
    28,780.82/43,195.83 = 11,262.95/x
  3. Step 3: Cross multiply
    28,780.82x = 43,195.83 × 11,262.95
  4. Step 4: Simplify right side
    28,780.82x = 486,512,201.20
  5. Step 5: Solve for x
    x = 486,512,201.20/28,780.82
  6. Step 6: Final answer
    x = 16,904.05

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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.