Home / 28,850.58-43,162.00-21,850.76

Finding the Fourth Proportional to 28,850.58, 43,162.00 and 21,850.76

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Solution

The fourth proportional to 28,850.58, 43,162.00 and 21,850.76 is: 32,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.58 : 43,162.00 = 21,850.76 : x
  2. Step 2: Convert to fraction form
    28,850.58/43,162.00 = 21,850.76/x
  3. Step 3: Cross multiply
    28,850.58x = 43,162.00 × 21,850.76
  4. Step 4: Simplify right side
    28,850.58x = 943,122,556.40
  5. Step 5: Solve for x
    x = 943,122,556.40/28,850.58
  6. Step 6: Final answer
    x = 32,689.90

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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.