Home / 28,808.26-43,163.24-20,446.90

Finding the Fourth Proportional to 28,808.26, 43,163.24 and 20,446.90

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Solution

The fourth proportional to 28,808.26, 43,163.24 and 20,446.90 is: 30,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.26 : 43,163.24 = 20,446.90 : x
  2. Step 2: Convert to fraction form
    28,808.26/43,163.24 = 20,446.90/x
  3. Step 3: Cross multiply
    28,808.26x = 43,163.24 × 20,446.90
  4. Step 4: Simplify right side
    28,808.26x = 882,554,451.96
  5. Step 5: Solve for x
    x = 882,554,451.96/28,808.26
  6. Step 6: Final answer
    x = 30,635.47

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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.