Home / 27,555.23-37,982.26-21,724.83

Finding the Fourth Proportional to 27,555.23, 37,982.26 and 21,724.83

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Solution

The fourth proportional to 27,555.23, 37,982.26 and 21,724.83 is: 29,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.23 : 37,982.26 = 21,724.83 : x
  2. Step 2: Convert to fraction form
    27,555.23/37,982.26 = 21,724.83/x
  3. Step 3: Cross multiply
    27,555.23x = 37,982.26 × 21,724.83
  4. Step 4: Simplify right side
    27,555.23x = 825,158,168.67
  5. Step 5: Solve for x
    x = 825,158,168.67/27,555.23
  6. Step 6: Final answer
    x = 29,945.61

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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.