Home / 18,880-28,323.24-5,733.70

Finding the Fourth Proportional to 18,880, 28,323.24 and 5,733.70

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Solution

The fourth proportional to 18,880, 28,323.24 and 5,733.70 is: 8,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880 : 28,323.24 = 5,733.70 : x
  2. Step 2: Convert to fraction form
    18,880/28,323.24 = 5,733.70/x
  3. Step 3: Cross multiply
    18,880x = 28,323.24 × 5,733.70
  4. Step 4: Simplify right side
    18,880x = 162,396,961.19
  5. Step 5: Solve for x
    x = 162,396,961.19/18,880
  6. Step 6: Final answer
    x = 8,601.53

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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.