Home / 28,182.20-42,277.43-8,462.32

Finding the Fourth Proportional to 28,182.20, 42,277.43 and 8,462.32

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Solution

The fourth proportional to 28,182.20, 42,277.43 and 8,462.32 is: 12,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.20 : 42,277.43 = 8,462.32 : x
  2. Step 2: Convert to fraction form
    28,182.20/42,277.43 = 8,462.32/x
  3. Step 3: Cross multiply
    28,182.20x = 42,277.43 × 8,462.32
  4. Step 4: Simplify right side
    28,182.20x = 357,764,993.43
  5. Step 5: Solve for x
    x = 357,764,993.43/28,182.20
  6. Step 6: Final answer
    x = 12,694.71

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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.