Home / 27,178.33-40,767.57-8,458.98

Finding the Fourth Proportional to 27,178.33, 40,767.57 and 8,458.98

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Solution

The fourth proportional to 27,178.33, 40,767.57 and 8,458.98 is: 12,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.33 : 40,767.57 = 8,458.98 : x
  2. Step 2: Convert to fraction form
    27,178.33/40,767.57 = 8,458.98/x
  3. Step 3: Cross multiply
    27,178.33x = 40,767.57 × 8,458.98
  4. Step 4: Simplify right side
    27,178.33x = 344,851,906.40
  5. Step 5: Solve for x
    x = 344,851,906.40/27,178.33
  6. Step 6: Final answer
    x = 12,688.49

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Similar ratio
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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.