Home / 28,827.90-43,241.85-12,183.42

Finding the Fourth Proportional to 28,827.90, 43,241.85 and 12,183.42

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Solution

The fourth proportional to 28,827.90, 43,241.85 and 12,183.42 is: 18,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.90 : 43,241.85 = 12,183.42 : x
  2. Step 2: Convert to fraction form
    28,827.90/43,241.85 = 12,183.42/x
  3. Step 3: Cross multiply
    28,827.90x = 43,241.85 × 12,183.42
  4. Step 4: Simplify right side
    28,827.90x = 526,833,620.13
  5. Step 5: Solve for x
    x = 526,833,620.13/28,827.90
  6. Step 6: Final answer
    x = 18,275.13

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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.