Home / 28,730.76-43,099.14-7,954.26

Finding the Fourth Proportional to 28,730.76, 43,099.14 and 7,954.26

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Solution

The fourth proportional to 28,730.76, 43,099.14 and 7,954.26 is: 11,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.76 : 43,099.14 = 7,954.26 : x
  2. Step 2: Convert to fraction form
    28,730.76/43,099.14 = 7,954.26/x
  3. Step 3: Cross multiply
    28,730.76x = 43,099.14 × 7,954.26
  4. Step 4: Simplify right side
    28,730.76x = 342,821,765.34
  5. Step 5: Solve for x
    x = 342,821,765.34/28,730.76
  6. Step 6: Final answer
    x = 11,932.22

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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.