Home / 28,219.33-42,352.35-14,183.38

Finding the Fourth Proportional to 28,219.33, 42,352.35 and 14,183.38

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Solution

The fourth proportional to 28,219.33, 42,352.35 and 14,183.38 is: 21,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.33 : 42,352.35 = 14,183.38 : x
  2. Step 2: Convert to fraction form
    28,219.33/42,352.35 = 14,183.38/x
  3. Step 3: Cross multiply
    28,219.33x = 42,352.35 × 14,183.38
  4. Step 4: Simplify right side
    28,219.33x = 600,699,473.94
  5. Step 5: Solve for x
    x = 600,699,473.94/28,219.33
  6. Step 6: Final answer
    x = 21,286.81

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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.