Home / 28,861.92-43,232.13-18,326.66

Finding the Fourth Proportional to 28,861.92, 43,232.13 and 18,326.66

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Solution

The fourth proportional to 28,861.92, 43,232.13 and 18,326.66 is: 27,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.92 : 43,232.13 = 18,326.66 : x
  2. Step 2: Convert to fraction form
    28,861.92/43,232.13 = 18,326.66/x
  3. Step 3: Cross multiply
    28,861.92x = 43,232.13 × 18,326.66
  4. Step 4: Simplify right side
    28,861.92x = 792,300,331.43
  5. Step 5: Solve for x
    x = 792,300,331.43/28,861.92
  6. Step 6: Final answer
    x = 27,451.41

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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.