Home / 27,723.93-38,258.11-17,520.42

Finding the Fourth Proportional to 27,723.93, 38,258.11 and 17,520.42

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Solution

The fourth proportional to 27,723.93, 38,258.11 and 17,520.42 is: 24,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.93 : 38,258.11 = 17,520.42 : x
  2. Step 2: Convert to fraction form
    27,723.93/38,258.11 = 17,520.42/x
  3. Step 3: Cross multiply
    27,723.93x = 38,258.11 × 17,520.42
  4. Step 4: Simplify right side
    27,723.93x = 670,298,000.43
  5. Step 5: Solve for x
    x = 670,298,000.43/27,723.93
  6. Step 6: Final answer
    x = 24,177.60

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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.