Home / 27,983.16-41,984.46-12,411.72

Finding the Fourth Proportional to 27,983.16, 41,984.46 and 12,411.72

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Solution

The fourth proportional to 27,983.16, 41,984.46 and 12,411.72 is: 18,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.16 : 41,984.46 = 12,411.72 : x
  2. Step 2: Convert to fraction form
    27,983.16/41,984.46 = 12,411.72/x
  3. Step 3: Cross multiply
    27,983.16x = 41,984.46 × 12,411.72
  4. Step 4: Simplify right side
    27,983.16x = 521,099,361.87
  5. Step 5: Solve for x
    x = 521,099,361.87/27,983.16
  6. Step 6: Final answer
    x = 18,621.89

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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.