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Finding the Fourth Proportional to 27,164.87, 40,753.07 and 8,444.45

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Solution

The fourth proportional to 27,164.87, 40,753.07 and 8,444.45 is: 12,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.87 : 40,753.07 = 8,444.45 : x
  2. Step 2: Convert to fraction form
    27,164.87/40,753.07 = 8,444.45/x
  3. Step 3: Cross multiply
    27,164.87x = 40,753.07 × 8,444.45
  4. Step 4: Simplify right side
    27,164.87x = 344,137,261.96
  5. Step 5: Solve for x
    x = 344,137,261.96/27,164.87
  6. Step 6: Final answer
    x = 12,668.47

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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.