Home / 28,183.05-38,893.67-16,085.50

Finding the Fourth Proportional to 28,183.05, 38,893.67 and 16,085.50

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Solution

The fourth proportional to 28,183.05, 38,893.67 and 16,085.50 is: 22,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.05 : 38,893.67 = 16,085.50 : x
  2. Step 2: Convert to fraction form
    28,183.05/38,893.67 = 16,085.50/x
  3. Step 3: Cross multiply
    28,183.05x = 38,893.67 × 16,085.50
  4. Step 4: Simplify right side
    28,183.05x = 625,624,128.79
  5. Step 5: Solve for x
    x = 625,624,128.79/28,183.05
  6. Step 6: Final answer
    x = 22,198.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.