Home / 27,942.21-41,913.25-8,220.74

Finding the Fourth Proportional to 27,942.21, 41,913.25 and 8,220.74

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Solution

The fourth proportional to 27,942.21, 41,913.25 and 8,220.74 is: 12,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.21 : 41,913.25 = 8,220.74 : x
  2. Step 2: Convert to fraction form
    27,942.21/41,913.25 = 8,220.74/x
  3. Step 3: Cross multiply
    27,942.21x = 41,913.25 × 8,220.74
  4. Step 4: Simplify right side
    27,942.21x = 344,557,700.69
  5. Step 5: Solve for x
    x = 344,557,700.69/27,942.21
  6. Step 6: Final answer
    x = 12,331.08

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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.