Home / 28,204.19-38,920.44-16,879.92

Finding the Fourth Proportional to 28,204.19, 38,920.44 and 16,879.92

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Solution

The fourth proportional to 28,204.19, 38,920.44 and 16,879.92 is: 23,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.19 : 38,920.44 = 16,879.92 : x
  2. Step 2: Convert to fraction form
    28,204.19/38,920.44 = 16,879.92/x
  3. Step 3: Cross multiply
    28,204.19x = 38,920.44 × 16,879.92
  4. Step 4: Simplify right side
    28,204.19x = 656,973,913.56
  5. Step 5: Solve for x
    x = 656,973,913.56/28,204.19
  6. Step 6: Final answer
    x = 23,293.49

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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.