Home / 28,608.35-39,481.83-16,511.00

Finding the Fourth Proportional to 28,608.35, 39,481.83 and 16,511.00

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Solution

The fourth proportional to 28,608.35, 39,481.83 and 16,511.00 is: 22,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608.35 : 39,481.83 = 16,511.00 : x
  2. Step 2: Convert to fraction form
    28,608.35/39,481.83 = 16,511.00/x
  3. Step 3: Cross multiply
    28,608.35x = 39,481.83 × 16,511.00
  4. Step 4: Simplify right side
    28,608.35x = 651,884,297.72
  5. Step 5: Solve for x
    x = 651,884,297.72/28,608.35
  6. Step 6: Final answer
    x = 22,786.51

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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.