Home / 28,769.82-43,157.07-7,993.32

Finding the Fourth Proportional to 28,769.82, 43,157.07 and 7,993.32

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Solution

The fourth proportional to 28,769.82, 43,157.07 and 7,993.32 is: 11,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.82 : 43,157.07 = 7,993.32 : x
  2. Step 2: Convert to fraction form
    28,769.82/43,157.07 = 7,993.32/x
  3. Step 3: Cross multiply
    28,769.82x = 43,157.07 × 7,993.32
  4. Step 4: Simplify right side
    28,769.82x = 344,968,270.77
  5. Step 5: Solve for x
    x = 344,968,270.77/28,769.82
  6. Step 6: Final answer
    x = 11,990.63

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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.