Home / 57,942.67-86,927.57-17,959.57

Finding the Fourth Proportional to 57,942.67, 86,927.57 and 17,959.57

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Solution

The fourth proportional to 57,942.67, 86,927.57 and 17,959.57 is: 26,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,942.67 : 86,927.57 = 17,959.57 : x
  2. Step 2: Convert to fraction form
    57,942.67/86,927.57 = 17,959.57/x
  3. Step 3: Cross multiply
    57,942.67x = 86,927.57 × 17,959.57
  4. Step 4: Simplify right side
    57,942.67x = 1,561,181,471.23
  5. Step 5: Solve for x
    x = 1,561,181,471.23/57,942.67
  6. Step 6: Final answer
    x = 26,943.56

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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.