Home / 28,815.75-43,185.96-14,763.87

Finding the Fourth Proportional to 28,815.75, 43,185.96 and 14,763.87

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Solution

The fourth proportional to 28,815.75, 43,185.96 and 14,763.87 is: 22,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.75 : 43,185.96 = 14,763.87 : x
  2. Step 2: Convert to fraction form
    28,815.75/43,185.96 = 14,763.87/x
  3. Step 3: Cross multiply
    28,815.75x = 43,185.96 × 14,763.87
  4. Step 4: Simplify right side
    28,815.75x = 637,591,899.27
  5. Step 5: Solve for x
    x = 637,591,899.27/28,815.75
  6. Step 6: Final answer
    x = 22,126.51

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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.