Home / 27,928.89-41,880.14-10,147.15

Finding the Fourth Proportional to 27,928.89, 41,880.14 and 10,147.15

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Solution

The fourth proportional to 27,928.89, 41,880.14 and 10,147.15 is: 15,215.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.89 : 41,880.14 = 10,147.15 : x
  2. Step 2: Convert to fraction form
    27,928.89/41,880.14 = 10,147.15/x
  3. Step 3: Cross multiply
    27,928.89x = 41,880.14 × 10,147.15
  4. Step 4: Simplify right side
    27,928.89x = 424,964,062.60
  5. Step 5: Solve for x
    x = 424,964,062.60/27,928.89
  6. Step 6: Final answer
    x = 15,215.93

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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.