Home / 28,861.62-39,835.68-16,928.81

Finding the Fourth Proportional to 28,861.62, 39,835.68 and 16,928.81

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Solution

The fourth proportional to 28,861.62, 39,835.68 and 16,928.81 is: 23,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.62 : 39,835.68 = 16,928.81 : x
  2. Step 2: Convert to fraction form
    28,861.62/39,835.68 = 16,928.81/x
  3. Step 3: Cross multiply
    28,861.62x = 39,835.68 × 16,928.81
  4. Step 4: Simplify right side
    28,861.62x = 674,370,458.76
  5. Step 5: Solve for x
    x = 674,370,458.76/28,861.62
  6. Step 6: Final answer
    x = 23,365.65

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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.