Home / 28,550.26-39,389.79-16,611.04

Finding the Fourth Proportional to 28,550.26, 39,389.79 and 16,611.04

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Solution

The fourth proportional to 28,550.26, 39,389.79 and 16,611.04 is: 22,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.26 : 39,389.79 = 16,611.04 : x
  2. Step 2: Convert to fraction form
    28,550.26/39,389.79 = 16,611.04/x
  3. Step 3: Cross multiply
    28,550.26x = 39,389.79 × 16,611.04
  4. Step 4: Simplify right side
    28,550.26x = 654,305,377.28
  5. Step 5: Solve for x
    x = 654,305,377.28/28,550.26
  6. Step 6: Final answer
    x = 22,917.67

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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.