Home / 28,081.71-38,751.84-16,144.83

Finding the Fourth Proportional to 28,081.71, 38,751.84 and 16,144.83

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Solution

The fourth proportional to 28,081.71, 38,751.84 and 16,144.83 is: 22,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.71 : 38,751.84 = 16,144.83 : x
  2. Step 2: Convert to fraction form
    28,081.71/38,751.84 = 16,144.83/x
  3. Step 3: Cross multiply
    28,081.71x = 38,751.84 × 16,144.83
  4. Step 4: Simplify right side
    28,081.71x = 625,641,868.99
  5. Step 5: Solve for x
    x = 625,641,868.99/28,081.71
  6. Step 6: Final answer
    x = 22,279.34

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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.