Home / 28,778.82-43,170.60-8,002.32

Finding the Fourth Proportional to 28,778.82, 43,170.60 and 8,002.32

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Solution

The fourth proportional to 28,778.82, 43,170.60 and 8,002.32 is: 12,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778.82 : 43,170.60 = 8,002.32 : x
  2. Step 2: Convert to fraction form
    28,778.82/43,170.60 = 8,002.32/x
  3. Step 3: Cross multiply
    28,778.82x = 43,170.60 × 8,002.32
  4. Step 4: Simplify right side
    28,778.82x = 345,464,955.79
  5. Step 5: Solve for x
    x = 345,464,955.79/28,778.82
  6. Step 6: Final answer
    x = 12,004.14

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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.