Home / 20,358.30-30,502.38-15,914.24

Finding the Fourth Proportional to 20,358.30, 30,502.38 and 15,914.24

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Solution

The fourth proportional to 20,358.30, 30,502.38 and 15,914.24 is: 23,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358.30 : 30,502.38 = 15,914.24 : x
  2. Step 2: Convert to fraction form
    20,358.30/30,502.38 = 15,914.24/x
  3. Step 3: Cross multiply
    20,358.30x = 30,502.38 × 15,914.24
  4. Step 4: Simplify right side
    20,358.30x = 485,422,043.38
  5. Step 5: Solve for x
    x = 485,422,043.38/20,358.30
  6. Step 6: Final answer
    x = 23,843.94

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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.