Home / 28,778.75-43,170.57-8,002.25

Finding the Fourth Proportional to 28,778.75, 43,170.57 and 8,002.25

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Solution

The fourth proportional to 28,778.75, 43,170.57 and 8,002.25 is: 12,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778.75 : 43,170.57 = 8,002.25 : x
  2. Step 2: Convert to fraction form
    28,778.75/43,170.57 = 8,002.25/x
  3. Step 3: Cross multiply
    28,778.75x = 43,170.57 × 8,002.25
  4. Step 4: Simplify right side
    28,778.75x = 345,461,693.78
  5. Step 5: Solve for x
    x = 345,461,693.78/28,778.75
  6. Step 6: Final answer
    x = 12,004.05

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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.