Home / 20,390.22-30,588.17-6,351.26

Finding the Fourth Proportional to 20,390.22, 30,588.17 and 6,351.26

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Solution

The fourth proportional to 20,390.22, 30,588.17 and 6,351.26 is: 9,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,390.22 : 30,588.17 = 6,351.26 : x
  2. Step 2: Convert to fraction form
    20,390.22/30,588.17 = 6,351.26/x
  3. Step 3: Cross multiply
    20,390.22x = 30,588.17 × 6,351.26
  4. Step 4: Simplify right side
    20,390.22x = 194,273,235.90
  5. Step 5: Solve for x
    x = 194,273,235.90/20,390.22
  6. Step 6: Final answer
    x = 9,527.77

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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.