Home / 20,725.03-31,096.73-10,861.95

Finding the Fourth Proportional to 20,725.03, 31,096.73 and 10,861.95

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Solution

The fourth proportional to 20,725.03, 31,096.73 and 10,861.95 is: 16,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.03 : 31,096.73 = 10,861.95 : x
  2. Step 2: Convert to fraction form
    20,725.03/31,096.73 = 10,861.95/x
  3. Step 3: Cross multiply
    20,725.03x = 31,096.73 × 10,861.95
  4. Step 4: Simplify right side
    20,725.03x = 337,771,126.42
  5. Step 5: Solve for x
    x = 337,771,126.42/20,725.03
  6. Step 6: Final answer
    x = 16,297.74

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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.