Home / 28,019.73-42,000.44-10,481.97

Finding the Fourth Proportional to 28,019.73, 42,000.44 and 10,481.97

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Solution

The fourth proportional to 28,019.73, 42,000.44 and 10,481.97 is: 15,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.73 : 42,000.44 = 10,481.97 : x
  2. Step 2: Convert to fraction form
    28,019.73/42,000.44 = 10,481.97/x
  3. Step 3: Cross multiply
    28,019.73x = 42,000.44 × 10,481.97
  4. Step 4: Simplify right side
    28,019.73x = 440,247,299.66
  5. Step 5: Solve for x
    x = 440,247,299.66/28,019.73
  6. Step 6: Final answer
    x = 15,712.05

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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.