Home / 23,210.74-31,999.89-18,446.59

Finding the Fourth Proportional to 23,210.74, 31,999.89 and 18,446.59

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Solution

The fourth proportional to 23,210.74, 31,999.89 and 18,446.59 is: 25,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,210.74 : 31,999.89 = 18,446.59 : x
  2. Step 2: Convert to fraction form
    23,210.74/31,999.89 = 18,446.59/x
  3. Step 3: Cross multiply
    23,210.74x = 31,999.89 × 18,446.59
  4. Step 4: Simplify right side
    23,210.74x = 590,288,850.88
  5. Step 5: Solve for x
    x = 590,288,850.88/23,210.74
  6. Step 6: Final answer
    x = 25,431.71

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Similar ratio
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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.