Home / 28,856.63-43,287.94-7,796.81

Finding the Fourth Proportional to 28,856.63, 43,287.94 and 7,796.81

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Solution

The fourth proportional to 28,856.63, 43,287.94 and 7,796.81 is: 11,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.63 : 43,287.94 = 7,796.81 : x
  2. Step 2: Convert to fraction form
    28,856.63/43,287.94 = 7,796.81/x
  3. Step 3: Cross multiply
    28,856.63x = 43,287.94 × 7,796.81
  4. Step 4: Simplify right side
    28,856.63x = 337,507,739.87
  5. Step 5: Solve for x
    x = 337,507,739.87/28,856.63
  6. Step 6: Final answer
    x = 11,696.02

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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.