Home / 27,921-41,889.31-11,292.70

Finding the Fourth Proportional to 27,921, 41,889.31 and 11,292.70

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Solution

The fourth proportional to 27,921, 41,889.31 and 11,292.70 is: 16,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921 : 41,889.31 = 11,292.70 : x
  2. Step 2: Convert to fraction form
    27,921/41,889.31 = 11,292.70/x
  3. Step 3: Cross multiply
    27,921x = 41,889.31 × 11,292.70
  4. Step 4: Simplify right side
    27,921x = 473,043,411.04
  5. Step 5: Solve for x
    x = 473,043,411.04/27,921
  6. Step 6: Final answer
    x = 16,942.21

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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.