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Finding the Fourth Proportional to 27,873, 38,464.56 and 15,297.84

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Solution

The fourth proportional to 27,873, 38,464.56 and 15,297.84 is: 21,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873 : 38,464.56 = 15,297.84 : x
  2. Step 2: Convert to fraction form
    27,873/38,464.56 = 15,297.84/x
  3. Step 3: Cross multiply
    27,873x = 38,464.56 × 15,297.84
  4. Step 4: Simplify right side
    27,873x = 588,424,684.55
  5. Step 5: Solve for x
    x = 588,424,684.55/27,873
  6. Step 6: Final answer
    x = 21,110.92

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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.