Home / 28,733.76-43,100.69-9,013.87

Finding the Fourth Proportional to 28,733.76, 43,100.69 and 9,013.87

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Solution

The fourth proportional to 28,733.76, 43,100.69 and 9,013.87 is: 13,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.76 : 43,100.69 = 9,013.87 : x
  2. Step 2: Convert to fraction form
    28,733.76/43,100.69 = 9,013.87/x
  3. Step 3: Cross multiply
    28,733.76x = 43,100.69 × 9,013.87
  4. Step 4: Simplify right side
    28,733.76x = 388,503,863.75
  5. Step 5: Solve for x
    x = 388,503,863.75/28,733.76
  6. Step 6: Final answer
    x = 13,520.82

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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.