Home / 28,183.69-42,282.02-8,462.62

Finding the Fourth Proportional to 28,183.69, 42,282.02 and 8,462.62

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Solution

The fourth proportional to 28,183.69, 42,282.02 and 8,462.62 is: 12,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.69 : 42,282.02 = 8,462.62 : x
  2. Step 2: Convert to fraction form
    28,183.69/42,282.02 = 8,462.62/x
  3. Step 3: Cross multiply
    28,183.69x = 42,282.02 × 8,462.62
  4. Step 4: Simplify right side
    28,183.69x = 357,816,668.09
  5. Step 5: Solve for x
    x = 357,816,668.09/28,183.69
  6. Step 6: Final answer
    x = 12,695.88

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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.