Home / 20,575.94-30,875.15-8,727.88

Finding the Fourth Proportional to 20,575.94, 30,875.15 and 8,727.88

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Solution

The fourth proportional to 20,575.94, 30,875.15 and 8,727.88 is: 13,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,575.94 : 30,875.15 = 8,727.88 : x
  2. Step 2: Convert to fraction form
    20,575.94/30,875.15 = 8,727.88/x
  3. Step 3: Cross multiply
    20,575.94x = 30,875.15 × 8,727.88
  4. Step 4: Simplify right side
    20,575.94x = 269,474,560.54
  5. Step 5: Solve for x
    x = 269,474,560.54/20,575.94
  6. Step 6: Final answer
    x = 13,096.59

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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.