Home / 28,183.29-42,277.73-10,418.60

Finding the Fourth Proportional to 28,183.29, 42,277.73 and 10,418.60

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Solution

The fourth proportional to 28,183.29, 42,277.73 and 10,418.60 is: 15,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.29 : 42,277.73 = 10,418.60 : x
  2. Step 2: Convert to fraction form
    28,183.29/42,277.73 = 10,418.60/x
  3. Step 3: Cross multiply
    28,183.29x = 42,277.73 × 10,418.60
  4. Step 4: Simplify right side
    28,183.29x = 440,474,757.78
  5. Step 5: Solve for x
    x = 440,474,757.78/28,183.29
  6. Step 6: Final answer
    x = 15,628.93

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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.