Home / 20,656.26-30,984.12-5,073.75

Finding the Fourth Proportional to 20,656.26, 30,984.12 and 5,073.75

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Solution

The fourth proportional to 20,656.26, 30,984.12 and 5,073.75 is: 7,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.26 : 30,984.12 = 5,073.75 : x
  2. Step 2: Convert to fraction form
    20,656.26/30,984.12 = 5,073.75/x
  3. Step 3: Cross multiply
    20,656.26x = 30,984.12 × 5,073.75
  4. Step 4: Simplify right side
    20,656.26x = 157,205,678.85
  5. Step 5: Solve for x
    x = 157,205,678.85/20,656.26
  6. Step 6: Final answer
    x = 7,610.56

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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.