Home / 28,792.80-43,163.55-11,258.55

Finding the Fourth Proportional to 28,792.80, 43,163.55 and 11,258.55

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Solution

The fourth proportional to 28,792.80, 43,163.55 and 11,258.55 is: 16,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.80 : 43,163.55 = 11,258.55 : x
  2. Step 2: Convert to fraction form
    28,792.80/43,163.55 = 11,258.55/x
  3. Step 3: Cross multiply
    28,792.80x = 43,163.55 × 11,258.55
  4. Step 4: Simplify right side
    28,792.80x = 485,958,985.85
  5. Step 5: Solve for x
    x = 485,958,985.85/28,792.80
  6. Step 6: Final answer
    x = 16,877.80

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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.