Home / 20,522.46-30,788.44-6,483.88

Finding the Fourth Proportional to 20,522.46, 30,788.44 and 6,483.88

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Solution

The fourth proportional to 20,522.46, 30,788.44 and 6,483.88 is: 9,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.46 : 30,788.44 = 6,483.88 : x
  2. Step 2: Convert to fraction form
    20,522.46/30,788.44 = 6,483.88/x
  3. Step 3: Cross multiply
    20,522.46x = 30,788.44 × 6,483.88
  4. Step 4: Simplify right side
    20,522.46x = 199,628,550.35
  5. Step 5: Solve for x
    x = 199,628,550.35/20,522.46
  6. Step 6: Final answer
    x = 9,727.32

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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.