Home / 20,002.44-29,940.72-13,725.76

Finding the Fourth Proportional to 20,002.44, 29,940.72 and 13,725.76

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Solution

The fourth proportional to 20,002.44, 29,940.72 and 13,725.76 is: 20,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.44 : 29,940.72 = 13,725.76 : x
  2. Step 2: Convert to fraction form
    20,002.44/29,940.72 = 13,725.76/x
  3. Step 3: Cross multiply
    20,002.44x = 29,940.72 × 13,725.76
  4. Step 4: Simplify right side
    20,002.44x = 410,959,136.95
  5. Step 5: Solve for x
    x = 410,959,136.95/20,002.44
  6. Step 6: Final answer
    x = 20,545.45

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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.