Home / 27,942.10-41,913.51-8,221.07

Finding the Fourth Proportional to 27,942.10, 41,913.51 and 8,221.07

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Solution

The fourth proportional to 27,942.10, 41,913.51 and 8,221.07 is: 12,331.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.10 : 41,913.51 = 8,221.07 : x
  2. Step 2: Convert to fraction form
    27,942.10/41,913.51 = 8,221.07/x
  3. Step 3: Cross multiply
    27,942.10x = 41,913.51 × 8,221.07
  4. Step 4: Simplify right side
    27,942.10x = 344,573,973.61
  5. Step 5: Solve for x
    x = 344,573,973.61/27,942.10
  6. Step 6: Final answer
    x = 12,331.71

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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.