Home / 23,843.52-35,727.12-20,128.32

Finding the Fourth Proportional to 23,843.52, 35,727.12 and 20,128.32

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Solution

The fourth proportional to 23,843.52, 35,727.12 and 20,128.32 is: 30,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,843.52 : 35,727.12 = 20,128.32 : x
  2. Step 2: Convert to fraction form
    23,843.52/35,727.12 = 20,128.32/x
  3. Step 3: Cross multiply
    23,843.52x = 35,727.12 × 20,128.32
  4. Step 4: Simplify right side
    23,843.52x = 719,126,904.04
  5. Step 5: Solve for x
    x = 719,126,904.04/23,843.52
  6. Step 6: Final answer
    x = 30,160.27

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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.