Home / 20,009.43-29,955.83-19,251.27

Finding the Fourth Proportional to 20,009.43, 29,955.83 and 19,251.27

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Solution

The fourth proportional to 20,009.43, 29,955.83 and 19,251.27 is: 28,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.43 : 29,955.83 = 19,251.27 : x
  2. Step 2: Convert to fraction form
    20,009.43/29,955.83 = 19,251.27/x
  3. Step 3: Cross multiply
    20,009.43x = 29,955.83 × 19,251.27
  4. Step 4: Simplify right side
    20,009.43x = 576,687,675.15
  5. Step 5: Solve for x
    x = 576,687,675.15/20,009.43
  6. Step 6: Final answer
    x = 28,820.79

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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.