Home / 40,786.57-61,197.96-15,828.55

Finding the Fourth Proportional to 40,786.57, 61,197.96 and 15,828.55

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Solution

The fourth proportional to 40,786.57, 61,197.96 and 15,828.55 is: 23,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.57 : 61,197.96 = 15,828.55 : x
  2. Step 2: Convert to fraction form
    40,786.57/61,197.96 = 15,828.55/x
  3. Step 3: Cross multiply
    40,786.57x = 61,197.96 × 15,828.55
  4. Step 4: Simplify right side
    40,786.57x = 968,674,876.12
  5. Step 5: Solve for x
    x = 968,674,876.12/40,786.57
  6. Step 6: Final answer
    x = 23,749.85

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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.