Home / 28,883.42-39,861.78-17,550.30

Finding the Fourth Proportional to 28,883.42, 39,861.78 and 17,550.30

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Solution

The fourth proportional to 28,883.42, 39,861.78 and 17,550.30 is: 24,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.42 : 39,861.78 = 17,550.30 : x
  2. Step 2: Convert to fraction form
    28,883.42/39,861.78 = 17,550.30/x
  3. Step 3: Cross multiply
    28,883.42x = 39,861.78 × 17,550.30
  4. Step 4: Simplify right side
    28,883.42x = 699,586,197.53
  5. Step 5: Solve for x
    x = 699,586,197.53/28,883.42
  6. Step 6: Final answer
    x = 24,221.03

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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.