Home / 20,006.28-27,575.54-15,029.64

Finding the Fourth Proportional to 20,006.28, 27,575.54 and 15,029.64

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Solution

The fourth proportional to 20,006.28, 27,575.54 and 15,029.64 is: 20,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.28 : 27,575.54 = 15,029.64 : x
  2. Step 2: Convert to fraction form
    20,006.28/27,575.54 = 15,029.64/x
  3. Step 3: Cross multiply
    20,006.28x = 27,575.54 × 15,029.64
  4. Step 4: Simplify right side
    20,006.28x = 414,450,439.01
  5. Step 5: Solve for x
    x = 414,450,439.01/20,006.28
  6. Step 6: Final answer
    x = 20,716.02

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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.