Home / 27,861.30-41,800.68-8,140.32

Finding the Fourth Proportional to 27,861.30, 41,800.68 and 8,140.32

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Solution

The fourth proportional to 27,861.30, 41,800.68 and 8,140.32 is: 12,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.30 : 41,800.68 = 8,140.32 : x
  2. Step 2: Convert to fraction form
    27,861.30/41,800.68 = 8,140.32/x
  3. Step 3: Cross multiply
    27,861.30x = 41,800.68 × 8,140.32
  4. Step 4: Simplify right side
    27,861.30x = 340,270,911.42
  5. Step 5: Solve for x
    x = 340,270,911.42/27,861.30
  6. Step 6: Final answer
    x = 12,213.03

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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.