Home / 27,817.60-41,738.40-16,140.80

Finding the Fourth Proportional to 27,817.60, 41,738.40 and 16,140.80

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Solution

The fourth proportional to 27,817.60, 41,738.40 and 16,140.80 is: 24,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.60 : 41,738.40 = 16,140.80 : x
  2. Step 2: Convert to fraction form
    27,817.60/41,738.40 = 16,140.80/x
  3. Step 3: Cross multiply
    27,817.60x = 41,738.40 × 16,140.80
  4. Step 4: Simplify right side
    27,817.60x = 673,691,166.72
  5. Step 5: Solve for x
    x = 673,691,166.72/27,817.60
  6. Step 6: Final answer
    x = 24,218.16

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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.