Home / 27,872.27-38,463.35-15,297.02

Finding the Fourth Proportional to 27,872.27, 38,463.35 and 15,297.02

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Solution

The fourth proportional to 27,872.27, 38,463.35 and 15,297.02 is: 21,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.27 : 38,463.35 = 15,297.02 : x
  2. Step 2: Convert to fraction form
    27,872.27/38,463.35 = 15,297.02/x
  3. Step 3: Cross multiply
    27,872.27x = 38,463.35 × 15,297.02
  4. Step 4: Simplify right side
    27,872.27x = 588,374,365.42
  5. Step 5: Solve for x
    x = 588,374,365.42/27,872.27
  6. Step 6: Final answer
    x = 21,109.67

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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.