Home / 36,917.82-55,383.21-15,870.78

Finding the Fourth Proportional to 36,917.82, 55,383.21 and 15,870.78

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Solution

The fourth proportional to 36,917.82, 55,383.21 and 15,870.78 is: 23,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,917.82 : 55,383.21 = 15,870.78 : x
  2. Step 2: Convert to fraction form
    36,917.82/55,383.21 = 15,870.78/x
  3. Step 3: Cross multiply
    36,917.82x = 55,383.21 × 15,870.78
  4. Step 4: Simplify right side
    36,917.82x = 878,974,741.60
  5. Step 5: Solve for x
    x = 878,974,741.60/36,917.82
  6. Step 6: Final answer
    x = 23,808.96

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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.