Home / 20,852.62-31,280.44-5,861.95

Finding the Fourth Proportional to 20,852.62, 31,280.44 and 5,861.95

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Solution

The fourth proportional to 20,852.62, 31,280.44 and 5,861.95 is: 8,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.62 : 31,280.44 = 5,861.95 : x
  2. Step 2: Convert to fraction form
    20,852.62/31,280.44 = 5,861.95/x
  3. Step 3: Cross multiply
    20,852.62x = 31,280.44 × 5,861.95
  4. Step 4: Simplify right side
    20,852.62x = 183,364,375.26
  5. Step 5: Solve for x
    x = 183,364,375.26/20,852.62
  6. Step 6: Final answer
    x = 8,793.35

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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.