Home / 27,921.46-38,516.01-17,158.85

Finding the Fourth Proportional to 27,921.46, 38,516.01 and 17,158.85

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Solution

The fourth proportional to 27,921.46, 38,516.01 and 17,158.85 is: 23,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.46 : 38,516.01 = 17,158.85 : x
  2. Step 2: Convert to fraction form
    27,921.46/38,516.01 = 17,158.85/x
  3. Step 3: Cross multiply
    27,921.46x = 38,516.01 × 17,158.85
  4. Step 4: Simplify right side
    27,921.46x = 660,890,379.86
  5. Step 5: Solve for x
    x = 660,890,379.86/27,921.46
  6. Step 6: Final answer
    x = 23,669.62

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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.