Home / 28,906.65-43,359.98-22,337.55

Finding the Fourth Proportional to 28,906.65, 43,359.98 and 22,337.55

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Solution

The fourth proportional to 28,906.65, 43,359.98 and 22,337.55 is: 33,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.65 : 43,359.98 = 22,337.55 : x
  2. Step 2: Convert to fraction form
    28,906.65/43,359.98 = 22,337.55/x
  3. Step 3: Cross multiply
    28,906.65x = 43,359.98 × 22,337.55
  4. Step 4: Simplify right side
    28,906.65x = 968,555,609.56
  5. Step 5: Solve for x
    x = 968,555,609.56/28,906.65
  6. Step 6: Final answer
    x = 33,506.33

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Half scale
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Double scale
Find fourth proportional to 28,907.65, 43,361.48 and 22,338.55
Similar ratio
Find fourth proportional to 43,359.98, 65,039.96 and 33,506.33
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.