Home / 20,550.26-28,333.54-16,769.58

Finding the Fourth Proportional to 20,550.26, 28,333.54 and 16,769.58

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Solution

The fourth proportional to 20,550.26, 28,333.54 and 16,769.58 is: 23,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.26 : 28,333.54 = 16,769.58 : x
  2. Step 2: Convert to fraction form
    20,550.26/28,333.54 = 16,769.58/x
  3. Step 3: Cross multiply
    20,550.26x = 28,333.54 × 16,769.58
  4. Step 4: Simplify right side
    20,550.26x = 475,141,565.71
  5. Step 5: Solve for x
    x = 475,141,565.71/20,550.26
  6. Step 6: Final answer
    x = 23,120.95

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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.