Home / 27,937.82-41,905.80-12,142.84

Finding the Fourth Proportional to 27,937.82, 41,905.80 and 12,142.84

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Solution

The fourth proportional to 27,937.82, 41,905.80 and 12,142.84 is: 18,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.82 : 41,905.80 = 12,142.84 : x
  2. Step 2: Convert to fraction form
    27,937.82/41,905.80 = 12,142.84/x
  3. Step 3: Cross multiply
    27,937.82x = 41,905.80 × 12,142.84
  4. Step 4: Simplify right side
    27,937.82x = 508,855,424.47
  5. Step 5: Solve for x
    x = 508,855,424.47/27,937.82
  6. Step 6: Final answer
    x = 18,213.86

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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.