Home / 19,979.96-29,975.24-6,832.32

Finding the Fourth Proportional to 19,979.96, 29,975.24 and 6,832.32

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Solution

The fourth proportional to 19,979.96, 29,975.24 and 6,832.32 is: 10,250.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.96 : 29,975.24 = 6,832.32 : x
  2. Step 2: Convert to fraction form
    19,979.96/29,975.24 = 6,832.32/x
  3. Step 3: Cross multiply
    19,979.96x = 29,975.24 × 6,832.32
  4. Step 4: Simplify right side
    19,979.96x = 204,800,431.76
  5. Step 5: Solve for x
    x = 204,800,431.76/19,979.96
  6. Step 6: Final answer
    x = 10,250.29

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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.