Home / 27,183.36-40,771.20-8,712.96

Finding the Fourth Proportional to 27,183.36, 40,771.20 and 8,712.96

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Solution

The fourth proportional to 27,183.36, 40,771.20 and 8,712.96 is: 13,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.36 : 40,771.20 = 8,712.96 : x
  2. Step 2: Convert to fraction form
    27,183.36/40,771.20 = 8,712.96/x
  3. Step 3: Cross multiply
    27,183.36x = 40,771.20 × 8,712.96
  4. Step 4: Simplify right side
    27,183.36x = 355,237,834.75
  5. Step 5: Solve for x
    x = 355,237,834.75/27,183.36
  6. Step 6: Final answer
    x = 13,068.21

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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.