Home / 28,796.25-43,196.85-8,019.75

Finding the Fourth Proportional to 28,796.25, 43,196.85 and 8,019.75

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Solution

The fourth proportional to 28,796.25, 43,196.85 and 8,019.75 is: 12,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.25 : 43,196.85 = 8,019.75 : x
  2. Step 2: Convert to fraction form
    28,796.25/43,196.85 = 8,019.75/x
  3. Step 3: Cross multiply
    28,796.25x = 43,196.85 × 8,019.75
  4. Step 4: Simplify right side
    28,796.25x = 346,427,937.79
  5. Step 5: Solve for x
    x = 346,427,937.79/28,796.25
  6. Step 6: Final answer
    x = 12,030.31

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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.