Home / 28,226.46-42,331.03-19,517.34

Finding the Fourth Proportional to 28,226.46, 42,331.03 and 19,517.34

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Solution

The fourth proportional to 28,226.46, 42,331.03 and 19,517.34 is: 29,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226.46 : 42,331.03 = 19,517.34 : x
  2. Step 2: Convert to fraction form
    28,226.46/42,331.03 = 19,517.34/x
  3. Step 3: Cross multiply
    28,226.46x = 42,331.03 × 19,517.34
  4. Step 4: Simplify right side
    28,226.46x = 826,189,105.06
  5. Step 5: Solve for x
    x = 826,189,105.06/28,226.46
  6. Step 6: Final answer
    x = 29,270.02

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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.