Home / 27,420.96-41,104.08-10,768.80

Finding the Fourth Proportional to 27,420.96, 41,104.08 and 10,768.80

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Solution

The fourth proportional to 27,420.96, 41,104.08 and 10,768.80 is: 16,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.96 : 41,104.08 = 10,768.80 : x
  2. Step 2: Convert to fraction form
    27,420.96/41,104.08 = 10,768.80/x
  3. Step 3: Cross multiply
    27,420.96x = 41,104.08 × 10,768.80
  4. Step 4: Simplify right side
    27,420.96x = 442,641,616.70
  5. Step 5: Solve for x
    x = 442,641,616.70/27,420.96
  6. Step 6: Final answer
    x = 16,142.46

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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.