Home / 28,792.36-43,211.32-12,163.87

Finding the Fourth Proportional to 28,792.36, 43,211.32 and 12,163.87

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Solution

The fourth proportional to 28,792.36, 43,211.32 and 12,163.87 is: 18,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.36 : 43,211.32 = 12,163.87 : x
  2. Step 2: Convert to fraction form
    28,792.36/43,211.32 = 12,163.87/x
  3. Step 3: Cross multiply
    28,792.36x = 43,211.32 × 12,163.87
  4. Step 4: Simplify right side
    28,792.36x = 525,616,740.57
  5. Step 5: Solve for x
    x = 525,616,740.57/28,792.36
  6. Step 6: Final answer
    x = 18,255.43

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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.