Home / 20,395.26-28,153.26-19,833.48

Finding the Fourth Proportional to 20,395.26, 28,153.26 and 19,833.48

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Solution

The fourth proportional to 20,395.26, 28,153.26 and 19,833.48 is: 27,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.26 : 28,153.26 = 19,833.48 : x
  2. Step 2: Convert to fraction form
    20,395.26/28,153.26 = 19,833.48/x
  3. Step 3: Cross multiply
    20,395.26x = 28,153.26 × 19,833.48
  4. Step 4: Simplify right side
    20,395.26x = 558,377,119.14
  5. Step 5: Solve for x
    x = 558,377,119.14/20,395.26
  6. Step 6: Final answer
    x = 27,377.79

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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.