Home / 20,653.26-30,975.24-5,861.84

Finding the Fourth Proportional to 20,653.26, 30,975.24 and 5,861.84

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Solution

The fourth proportional to 20,653.26, 30,975.24 and 5,861.84 is: 8,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653.26 : 30,975.24 = 5,861.84 : x
  2. Step 2: Convert to fraction form
    20,653.26/30,975.24 = 5,861.84/x
  3. Step 3: Cross multiply
    20,653.26x = 30,975.24 × 5,861.84
  4. Step 4: Simplify right side
    20,653.26x = 181,571,900.84
  5. Step 5: Solve for x
    x = 181,571,900.84/20,653.26
  6. Step 6: Final answer
    x = 8,791.44

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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.