Home / 28,855.25-43,285.86-7,795.41

Finding the Fourth Proportional to 28,855.25, 43,285.86 and 7,795.41

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Solution

The fourth proportional to 28,855.25, 43,285.86 and 7,795.41 is: 11,693.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.25 : 43,285.86 = 7,795.41 : x
  2. Step 2: Convert to fraction form
    28,855.25/43,285.86 = 7,795.41/x
  3. Step 3: Cross multiply
    28,855.25x = 43,285.86 × 7,795.41
  4. Step 4: Simplify right side
    28,855.25x = 337,430,863.58
  5. Step 5: Solve for x
    x = 337,430,863.58/28,855.25
  6. Step 6: Final answer
    x = 11,693.92

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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.