Home / 57,610.26-86,431.09-17,628.38

Finding the Fourth Proportional to 57,610.26, 86,431.09 and 17,628.38

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Solution

The fourth proportional to 57,610.26, 86,431.09 and 17,628.38 is: 26,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,610.26 : 86,431.09 = 17,628.38 : x
  2. Step 2: Convert to fraction form
    57,610.26/86,431.09 = 17,628.38/x
  3. Step 3: Cross multiply
    57,610.26x = 86,431.09 × 17,628.38
  4. Step 4: Simplify right side
    57,610.26x = 1,523,639,622.11
  5. Step 5: Solve for x
    x = 1,523,639,622.11/57,610.26
  6. Step 6: Final answer
    x = 26,447.37

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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.