Home / 21,204.82-31,777.17-15,614.29

Finding the Fourth Proportional to 21,204.82, 31,777.17 and 15,614.29

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Solution

The fourth proportional to 21,204.82, 31,777.17 and 15,614.29 is: 23,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.82 : 31,777.17 = 15,614.29 : x
  2. Step 2: Convert to fraction form
    21,204.82/31,777.17 = 15,614.29/x
  3. Step 3: Cross multiply
    21,204.82x = 31,777.17 × 15,614.29
  4. Step 4: Simplify right side
    21,204.82x = 496,177,947.76
  5. Step 5: Solve for x
    x = 496,177,947.76/21,204.82
  6. Step 6: Final answer
    x = 23,399.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.