Home / 28,100.91-38,797.34-18,033.69

Finding the Fourth Proportional to 28,100.91, 38,797.34 and 18,033.69

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Solution

The fourth proportional to 28,100.91, 38,797.34 and 18,033.69 is: 24,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,100.91 : 38,797.34 = 18,033.69 : x
  2. Step 2: Convert to fraction form
    28,100.91/38,797.34 = 18,033.69/x
  3. Step 3: Cross multiply
    28,100.91x = 38,797.34 × 18,033.69
  4. Step 4: Simplify right side
    28,100.91x = 699,659,112.22
  5. Step 5: Solve for x
    x = 699,659,112.22/28,100.91
  6. Step 6: Final answer
    x = 24,898.09

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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.