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Finding the Fourth Proportional to 27,751.68, 38,297.34 and 15,176.43

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Solution

The fourth proportional to 27,751.68, 38,297.34 and 15,176.43 is: 20,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,751.68 : 38,297.34 = 15,176.43 : x
  2. Step 2: Convert to fraction form
    27,751.68/38,297.34 = 15,176.43/x
  3. Step 3: Cross multiply
    27,751.68x = 38,297.34 × 15,176.43
  4. Step 4: Simplify right side
    27,751.68x = 581,216,899.70
  5. Step 5: Solve for x
    x = 581,216,899.70/27,751.68
  6. Step 6: Final answer
    x = 20,943.49

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