Home / 28,183.14-42,281.73-8,462.06

Finding the Fourth Proportional to 28,183.14, 42,281.73 and 8,462.06

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Solution

The fourth proportional to 28,183.14, 42,281.73 and 8,462.06 is: 12,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.14 : 42,281.73 = 8,462.06 : x
  2. Step 2: Convert to fraction form
    28,183.14/42,281.73 = 8,462.06/x
  3. Step 3: Cross multiply
    28,183.14x = 42,281.73 × 8,462.06
  4. Step 4: Simplify right side
    28,183.14x = 357,790,536.16
  5. Step 5: Solve for x
    x = 357,790,536.16/28,183.14
  6. Step 6: Final answer
    x = 12,695.20

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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.