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Finding the Fourth Proportional to 19,950, 27,523.29 and 11,449.05

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Solution

The fourth proportional to 19,950, 27,523.29 and 11,449.05 is: 15,795.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950 : 27,523.29 = 11,449.05 : x
  2. Step 2: Convert to fraction form
    19,950/27,523.29 = 11,449.05/x
  3. Step 3: Cross multiply
    19,950x = 27,523.29 × 11,449.05
  4. Step 4: Simplify right side
    19,950x = 315,115,523.37
  5. Step 5: Solve for x
    x = 315,115,523.37/19,950
  6. Step 6: Final answer
    x = 15,795.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.