Home / 28,183.48-42,275.99-8,462.04

Finding the Fourth Proportional to 28,183.48, 42,275.99 and 8,462.04

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Solution

The fourth proportional to 28,183.48, 42,275.99 and 8,462.04 is: 12,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.48 : 42,275.99 = 8,462.04 : x
  2. Step 2: Convert to fraction form
    28,183.48/42,275.99 = 8,462.04/x
  3. Step 3: Cross multiply
    28,183.48x = 42,275.99 × 8,462.04
  4. Step 4: Simplify right side
    28,183.48x = 357,741,139.57
  5. Step 5: Solve for x
    x = 357,741,139.57/28,183.48
  6. Step 6: Final answer
    x = 12,693.29

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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.