Home / 41,688.84-62,540.36-15,393.72

Finding the Fourth Proportional to 41,688.84, 62,540.36 and 15,393.72

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Solution

The fourth proportional to 41,688.84, 62,540.36 and 15,393.72 is: 23,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,688.84 : 62,540.36 = 15,393.72 : x
  2. Step 2: Convert to fraction form
    41,688.84/62,540.36 = 15,393.72/x
  3. Step 3: Cross multiply
    41,688.84x = 62,540.36 × 15,393.72
  4. Step 4: Simplify right side
    41,688.84x = 962,728,790.54
  5. Step 5: Solve for x
    x = 962,728,790.54/41,688.84
  6. Step 6: Final answer
    x = 23,093.20

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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.