Home / 28,580.55-39,441.08-16,480.97

Finding the Fourth Proportional to 28,580.55, 39,441.08 and 16,480.97

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Solution

The fourth proportional to 28,580.55, 39,441.08 and 16,480.97 is: 22,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.55 : 39,441.08 = 16,480.97 : x
  2. Step 2: Convert to fraction form
    28,580.55/39,441.08 = 16,480.97/x
  3. Step 3: Cross multiply
    28,580.55x = 39,441.08 × 16,480.97
  4. Step 4: Simplify right side
    28,580.55x = 650,027,155.44
  5. Step 5: Solve for x
    x = 650,027,155.44/28,580.55
  6. Step 6: Final answer
    x = 22,743.69

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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.