Home / 27,183.90-40,722.72-18,730.44

Finding the Fourth Proportional to 27,183.90, 40,722.72 and 18,730.44

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Solution

The fourth proportional to 27,183.90, 40,722.72 and 18,730.44 is: 28,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.90 : 40,722.72 = 18,730.44 : x
  2. Step 2: Convert to fraction form
    27,183.90/40,722.72 = 18,730.44/x
  3. Step 3: Cross multiply
    27,183.90x = 40,722.72 × 18,730.44
  4. Step 4: Simplify right side
    27,183.90x = 762,754,463.60
  5. Step 5: Solve for x
    x = 762,754,463.60/27,183.90
  6. Step 6: Final answer
    x = 28,059.05

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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.