Home / 20,429.01-30,617.19-8,569.44

Finding the Fourth Proportional to 20,429.01, 30,617.19 and 8,569.44

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Solution

The fourth proportional to 20,429.01, 30,617.19 and 8,569.44 is: 12,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429.01 : 30,617.19 = 8,569.44 : x
  2. Step 2: Convert to fraction form
    20,429.01/30,617.19 = 8,569.44/x
  3. Step 3: Cross multiply
    20,429.01x = 30,617.19 × 8,569.44
  4. Step 4: Simplify right side
    20,429.01x = 262,372,172.67
  5. Step 5: Solve for x
    x = 262,372,172.67/20,429.01
  6. Step 6: Final answer
    x = 12,843.12

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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.