Home / 27,708.08-41,576.02-12,918.15

Finding the Fourth Proportional to 27,708.08, 41,576.02 and 12,918.15

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Solution

The fourth proportional to 27,708.08, 41,576.02 and 12,918.15 is: 19,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.08 : 41,576.02 = 12,918.15 : x
  2. Step 2: Convert to fraction form
    27,708.08/41,576.02 = 12,918.15/x
  3. Step 3: Cross multiply
    27,708.08x = 41,576.02 × 12,918.15
  4. Step 4: Simplify right side
    27,708.08x = 537,085,230.47
  5. Step 5: Solve for x
    x = 537,085,230.47/27,708.08
  6. Step 6: Final answer
    x = 19,383.71

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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.