Home / 27,211.54-37,553.61-18,121.32

Finding the Fourth Proportional to 27,211.54, 37,553.61 and 18,121.32

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Solution

The fourth proportional to 27,211.54, 37,553.61 and 18,121.32 is: 25,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.54 : 37,553.61 = 18,121.32 : x
  2. Step 2: Convert to fraction form
    27,211.54/37,553.61 = 18,121.32/x
  3. Step 3: Cross multiply
    27,211.54x = 37,553.61 × 18,121.32
  4. Step 4: Simplify right side
    27,211.54x = 680,520,705.59
  5. Step 5: Solve for x
    x = 680,520,705.59/27,211.54
  6. Step 6: Final answer
    x = 25,008.53

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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.