Home / 25,502.82-35,198.06-21,247.13

Finding the Fourth Proportional to 25,502.82, 35,198.06 and 21,247.13

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Solution

The fourth proportional to 25,502.82, 35,198.06 and 21,247.13 is: 29,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,502.82 : 35,198.06 = 21,247.13 : x
  2. Step 2: Convert to fraction form
    25,502.82/35,198.06 = 21,247.13/x
  3. Step 3: Cross multiply
    25,502.82x = 35,198.06 × 21,247.13
  4. Step 4: Simplify right side
    25,502.82x = 747,857,474.34
  5. Step 5: Solve for x
    x = 747,857,474.34/25,502.82
  6. Step 6: Final answer
    x = 29,324.51

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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.