Home / 57,960.19-86,897.76-18,494.56

Finding the Fourth Proportional to 57,960.19, 86,897.76 and 18,494.56

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Solution

The fourth proportional to 57,960.19, 86,897.76 and 18,494.56 is: 27,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.19 : 86,897.76 = 18,494.56 : x
  2. Step 2: Convert to fraction form
    57,960.19/86,897.76 = 18,494.56/x
  3. Step 3: Cross multiply
    57,960.19x = 86,897.76 × 18,494.56
  4. Step 4: Simplify right side
    57,960.19x = 1,607,135,836.19
  5. Step 5: Solve for x
    x = 1,607,135,836.19/57,960.19
  6. Step 6: Final answer
    x = 27,728.27

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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.