Home / 27,982.66-41,983.71-12,411.22

Finding the Fourth Proportional to 27,982.66, 41,983.71 and 12,411.22

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Solution

The fourth proportional to 27,982.66, 41,983.71 and 12,411.22 is: 18,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.66 : 41,983.71 = 12,411.22 : x
  2. Step 2: Convert to fraction form
    27,982.66/41,983.71 = 12,411.22/x
  3. Step 3: Cross multiply
    27,982.66x = 41,983.71 × 12,411.22
  4. Step 4: Simplify right side
    27,982.66x = 521,069,061.23
  5. Step 5: Solve for x
    x = 521,069,061.23/27,982.66
  6. Step 6: Final answer
    x = 18,621.14

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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.