Home / 28,000.30-41,990.73-8,273.56

Finding the Fourth Proportional to 28,000.30, 41,990.73 and 8,273.56

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Solution

The fourth proportional to 28,000.30, 41,990.73 and 8,273.56 is: 12,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.30 : 41,990.73 = 8,273.56 : x
  2. Step 2: Convert to fraction form
    28,000.30/41,990.73 = 8,273.56/x
  3. Step 3: Cross multiply
    28,000.30x = 41,990.73 × 8,273.56
  4. Step 4: Simplify right side
    28,000.30x = 347,412,824.10
  5. Step 5: Solve for x
    x = 347,412,824.10/28,000.30
  6. Step 6: Final answer
    x = 12,407.47

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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.