Home / 28,480.92-39,297.66-16,538.07

Finding the Fourth Proportional to 28,480.92, 39,297.66 and 16,538.07

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Solution

The fourth proportional to 28,480.92, 39,297.66 and 16,538.07 is: 22,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,480.92 : 39,297.66 = 16,538.07 : x
  2. Step 2: Convert to fraction form
    28,480.92/39,297.66 = 16,538.07/x
  3. Step 3: Cross multiply
    28,480.92x = 39,297.66 × 16,538.07
  4. Step 4: Simplify right side
    28,480.92x = 649,907,537.26
  5. Step 5: Solve for x
    x = 649,907,537.26/28,480.92
  6. Step 6: Final answer
    x = 22,819.05

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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.