Home / 40,855.39-61,286.85-15,897.31

Finding the Fourth Proportional to 40,855.39, 61,286.85 and 15,897.31

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Solution

The fourth proportional to 40,855.39, 61,286.85 and 15,897.31 is: 23,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,855.39 : 61,286.85 = 15,897.31 : x
  2. Step 2: Convert to fraction form
    40,855.39/61,286.85 = 15,897.31/x
  3. Step 3: Cross multiply
    40,855.39x = 61,286.85 × 15,897.31
  4. Step 4: Simplify right side
    40,855.39x = 974,296,053.37
  5. Step 5: Solve for x
    x = 974,296,053.37/40,855.39
  6. Step 6: Final answer
    x = 23,847.43

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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.