Home / 27,880.81-41,815.64-10,346.54

Finding the Fourth Proportional to 27,880.81, 41,815.64 and 10,346.54

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Solution

The fourth proportional to 27,880.81, 41,815.64 and 10,346.54 is: 15,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.81 : 41,815.64 = 10,346.54 : x
  2. Step 2: Convert to fraction form
    27,880.81/41,815.64 = 10,346.54/x
  3. Step 3: Cross multiply
    27,880.81x = 41,815.64 × 10,346.54
  4. Step 4: Simplify right side
    27,880.81x = 432,647,008.67
  5. Step 5: Solve for x
    x = 432,647,008.67/27,880.81
  6. Step 6: Final answer
    x = 15,517.74

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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.