Home / 28,183.64-42,272.20-8,462.16

Finding the Fourth Proportional to 28,183.64, 42,272.20 and 8,462.16

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Solution

The fourth proportional to 28,183.64, 42,272.20 and 8,462.16 is: 12,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.64 : 42,272.20 = 8,462.16 : x
  2. Step 2: Convert to fraction form
    28,183.64/42,272.20 = 8,462.16/x
  3. Step 3: Cross multiply
    28,183.64x = 42,272.20 × 8,462.16
  4. Step 4: Simplify right side
    28,183.64x = 357,714,119.95
  5. Step 5: Solve for x
    x = 357,714,119.95/28,183.64
  6. Step 6: Final answer
    x = 12,692.26

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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.