Home / 27,355.72-41,035.20-8,636.36

Finding the Fourth Proportional to 27,355.72, 41,035.20 and 8,636.36

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Solution

The fourth proportional to 27,355.72, 41,035.20 and 8,636.36 is: 12,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,355.72 : 41,035.20 = 8,636.36 : x
  2. Step 2: Convert to fraction form
    27,355.72/41,035.20 = 8,636.36/x
  3. Step 3: Cross multiply
    27,355.72x = 41,035.20 × 8,636.36
  4. Step 4: Simplify right side
    27,355.72x = 354,394,759.87
  5. Step 5: Solve for x
    x = 354,394,759.87/27,355.72
  6. Step 6: Final answer
    x = 12,955.05

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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.