Home / 40,815.09-61,217.17-15,852.71

Finding the Fourth Proportional to 40,815.09, 61,217.17 and 15,852.71

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Solution

The fourth proportional to 40,815.09, 61,217.17 and 15,852.71 is: 23,776.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.09 : 61,217.17 = 15,852.71 : x
  2. Step 2: Convert to fraction form
    40,815.09/61,217.17 = 15,852.71/x
  3. Step 3: Cross multiply
    40,815.09x = 61,217.17 × 15,852.71
  4. Step 4: Simplify right side
    40,815.09x = 970,458,156.44
  5. Step 5: Solve for x
    x = 970,458,156.44/40,815.09
  6. Step 6: Final answer
    x = 23,776.95

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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.