Home / 28,099.82-38,777.71-16,162.85

Finding the Fourth Proportional to 28,099.82, 38,777.71 and 16,162.85

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Solution

The fourth proportional to 28,099.82, 38,777.71 and 16,162.85 is: 22,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.82 : 38,777.71 = 16,162.85 : x
  2. Step 2: Convert to fraction form
    28,099.82/38,777.71 = 16,162.85/x
  3. Step 3: Cross multiply
    28,099.82x = 38,777.71 × 16,162.85
  4. Step 4: Simplify right side
    28,099.82x = 626,758,310.07
  5. Step 5: Solve for x
    x = 626,758,310.07/28,099.82
  6. Step 6: Final answer
    x = 22,304.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.