Home / 27,455.20-41,193.60-10,812.40

Finding the Fourth Proportional to 27,455.20, 41,193.60 and 10,812.40

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Solution

The fourth proportional to 27,455.20, 41,193.60 and 10,812.40 is: 16,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455.20 : 41,193.60 = 10,812.40 : x
  2. Step 2: Convert to fraction form
    27,455.20/41,193.60 = 10,812.40/x
  3. Step 3: Cross multiply
    27,455.20x = 41,193.60 × 10,812.40
  4. Step 4: Simplify right side
    27,455.20x = 445,401,680.64
  5. Step 5: Solve for x
    x = 445,401,680.64/27,455.20
  6. Step 6: Final answer
    x = 16,222.85

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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.