Home / 20,283.27-27,959.16-18,653.96

Finding the Fourth Proportional to 20,283.27, 27,959.16 and 18,653.96

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Solution

The fourth proportional to 20,283.27, 27,959.16 and 18,653.96 is: 25,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.27 : 27,959.16 = 18,653.96 : x
  2. Step 2: Convert to fraction form
    20,283.27/27,959.16 = 18,653.96/x
  3. Step 3: Cross multiply
    20,283.27x = 27,959.16 × 18,653.96
  4. Step 4: Simplify right side
    20,283.27x = 521,548,912.48
  5. Step 5: Solve for x
    x = 521,548,912.48/20,283.27
  6. Step 6: Final answer
    x = 25,713.26

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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.