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Finding the Fourth Proportional to 27,651.43, 41,471.44 and 7,925.60

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Solution

The fourth proportional to 27,651.43, 41,471.44 and 7,925.60 is: 11,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.43 : 41,471.44 = 7,925.60 : x
  2. Step 2: Convert to fraction form
    27,651.43/41,471.44 = 7,925.60/x
  3. Step 3: Cross multiply
    27,651.43x = 41,471.44 × 7,925.60
  4. Step 4: Simplify right side
    27,651.43x = 328,685,940.03
  5. Step 5: Solve for x
    x = 328,685,940.03/27,651.43
  6. Step 6: Final answer
    x = 11,886.76

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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.