Home / 73,287.36-109,857.18-28,896.96

Finding the Fourth Proportional to 73,287.36, 109,857.18 and 28,896.96

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Solution

The fourth proportional to 73,287.36, 109,857.18 and 28,896.96 is: 43,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287.36 : 109,857.18 = 28,896.96 : x
  2. Step 2: Convert to fraction form
    73,287.36/109,857.18 = 28,896.96/x
  3. Step 3: Cross multiply
    73,287.36x = 109,857.18 × 28,896.96
  4. Step 4: Simplify right side
    73,287.36x = 3,174,538,536.17
  5. Step 5: Solve for x
    x = 3,174,538,536.17/73,287.36
  6. Step 6: Final answer
    x = 43,316.32

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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.