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Finding the Fourth Proportional to 27,249.66, 37,604.88 and 15,926.22

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Solution

The fourth proportional to 27,249.66, 37,604.88 and 15,926.22 is: 21,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.66 : 37,604.88 = 15,926.22 : x
  2. Step 2: Convert to fraction form
    27,249.66/37,604.88 = 15,926.22/x
  3. Step 3: Cross multiply
    27,249.66x = 37,604.88 × 15,926.22
  4. Step 4: Simplify right side
    27,249.66x = 598,903,591.95
  5. Step 5: Solve for x
    x = 598,903,591.95/27,249.66
  6. Step 6: Final answer
    x = 21,978.39

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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.