Home / 27,331.82-37,741.67-21,020.96

Finding the Fourth Proportional to 27,331.82, 37,741.67 and 21,020.96

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Solution

The fourth proportional to 27,331.82, 37,741.67 and 21,020.96 is: 29,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.82 : 37,741.67 = 21,020.96 : x
  2. Step 2: Convert to fraction form
    27,331.82/37,741.67 = 21,020.96/x
  3. Step 3: Cross multiply
    27,331.82x = 37,741.67 × 21,020.96
  4. Step 4: Simplify right side
    27,331.82x = 793,365,841.59
  5. Step 5: Solve for x
    x = 793,365,841.59/27,331.82
  6. Step 6: Final answer
    x = 29,027.19

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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.