Home / 28,764.33-43,148.99-8,778.32

Finding the Fourth Proportional to 28,764.33, 43,148.99 and 8,778.32

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Solution

The fourth proportional to 28,764.33, 43,148.99 and 8,778.32 is: 13,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.33 : 43,148.99 = 8,778.32 : x
  2. Step 2: Convert to fraction form
    28,764.33/43,148.99 = 8,778.32/x
  3. Step 3: Cross multiply
    28,764.33x = 43,148.99 × 8,778.32
  4. Step 4: Simplify right side
    28,764.33x = 378,775,738.80
  5. Step 5: Solve for x
    x = 378,775,738.80/28,764.33
  6. Step 6: Final answer
    x = 13,168.24

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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.