Home / 20,627.62-30,939.58-5,836.20

Finding the Fourth Proportional to 20,627.62, 30,939.58 and 5,836.20

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Solution

The fourth proportional to 20,627.62, 30,939.58 and 5,836.20 is: 8,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.62 : 30,939.58 = 5,836.20 : x
  2. Step 2: Convert to fraction form
    20,627.62/30,939.58 = 5,836.20/x
  3. Step 3: Cross multiply
    20,627.62x = 30,939.58 × 5,836.20
  4. Step 4: Simplify right side
    20,627.62x = 180,569,576.80
  5. Step 5: Solve for x
    x = 180,569,576.80/20,627.62
  6. Step 6: Final answer
    x = 8,753.78

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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.