Home / 18,258.50-27,433.92-17,520.38

Finding the Fourth Proportional to 18,258.50, 27,433.92 and 17,520.38

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Solution

The fourth proportional to 18,258.50, 27,433.92 and 17,520.38 is: 26,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.50 : 27,433.92 = 17,520.38 : x
  2. Step 2: Convert to fraction form
    18,258.50/27,433.92 = 17,520.38/x
  3. Step 3: Cross multiply
    18,258.50x = 27,433.92 × 17,520.38
  4. Step 4: Simplify right side
    18,258.50x = 480,652,703.29
  5. Step 5: Solve for x
    x = 480,652,703.29/18,258.50
  6. Step 6: Final answer
    x = 26,324.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.