Home / 27,251.08-40,876.70-18,906.60

Finding the Fourth Proportional to 27,251.08, 40,876.70 and 18,906.60

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Solution

The fourth proportional to 27,251.08, 40,876.70 and 18,906.60 is: 28,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,251.08 : 40,876.70 = 18,906.60 : x
  2. Step 2: Convert to fraction form
    27,251.08/40,876.70 = 18,906.60/x
  3. Step 3: Cross multiply
    27,251.08x = 40,876.70 × 18,906.60
  4. Step 4: Simplify right side
    27,251.08x = 772,839,416.22
  5. Step 5: Solve for x
    x = 772,839,416.22/27,251.08
  6. Step 6: Final answer
    x = 28,359.96

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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.