Home / 28,917.39-43,142.75-25,761.94

Finding the Fourth Proportional to 28,917.39, 43,142.75 and 25,761.94

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Solution

The fourth proportional to 28,917.39, 43,142.75 and 25,761.94 is: 38,435.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.39 : 43,142.75 = 25,761.94 : x
  2. Step 2: Convert to fraction form
    28,917.39/43,142.75 = 25,761.94/x
  3. Step 3: Cross multiply
    28,917.39x = 43,142.75 × 25,761.94
  4. Step 4: Simplify right side
    28,917.39x = 1,111,440,936.94
  5. Step 5: Solve for x
    x = 1,111,440,936.94/28,917.39
  6. Step 6: Final answer
    x = 38,435.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.