Home / 40,788.66-61,166.52-15,815.55

Finding the Fourth Proportional to 40,788.66, 61,166.52 and 15,815.55

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Solution

The fourth proportional to 40,788.66, 61,166.52 and 15,815.55 is: 23,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.66 : 61,166.52 = 15,815.55 : x
  2. Step 2: Convert to fraction form
    40,788.66/61,166.52 = 15,815.55/x
  3. Step 3: Cross multiply
    40,788.66x = 61,166.52 × 15,815.55
  4. Step 4: Simplify right side
    40,788.66x = 967,382,155.39
  5. Step 5: Solve for x
    x = 967,382,155.39/40,788.66
  6. Step 6: Final answer
    x = 23,716.94

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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.