Home / 27,874.50-41,822.64-12,281.22

Finding the Fourth Proportional to 27,874.50, 41,822.64 and 12,281.22

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Solution

The fourth proportional to 27,874.50, 41,822.64 and 12,281.22 is: 18,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.50 : 41,822.64 = 12,281.22 : x
  2. Step 2: Convert to fraction form
    27,874.50/41,822.64 = 12,281.22/x
  3. Step 3: Cross multiply
    27,874.50x = 41,822.64 × 12,281.22
  4. Step 4: Simplify right side
    27,874.50x = 513,633,042.82
  5. Step 5: Solve for x
    x = 513,633,042.82/27,874.50
  6. Step 6: Final answer
    x = 18,426.63

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1.5x scale

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.