Home / 21,380.97-32,036.39-15,110.36

Finding the Fourth Proportional to 21,380.97, 32,036.39 and 15,110.36

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Solution

The fourth proportional to 21,380.97, 32,036.39 and 15,110.36 is: 22,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.97 : 32,036.39 = 15,110.36 : x
  2. Step 2: Convert to fraction form
    21,380.97/32,036.39 = 15,110.36/x
  3. Step 3: Cross multiply
    21,380.97x = 32,036.39 × 15,110.36
  4. Step 4: Simplify right side
    21,380.97x = 484,081,150.27
  5. Step 5: Solve for x
    x = 484,081,150.27/21,380.97
  6. Step 6: Final answer
    x = 22,640.75

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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.