Home / 20,008.50-27,611.40-11,056.38

Finding the Fourth Proportional to 20,008.50, 27,611.40 and 11,056.38

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Solution

The fourth proportional to 20,008.50, 27,611.40 and 11,056.38 is: 15,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.50 : 27,611.40 = 11,056.38 : x
  2. Step 2: Convert to fraction form
    20,008.50/27,611.40 = 11,056.38/x
  3. Step 3: Cross multiply
    20,008.50x = 27,611.40 × 11,056.38
  4. Step 4: Simplify right side
    20,008.50x = 305,282,130.73
  5. Step 5: Solve for x
    x = 305,282,130.73/20,008.50
  6. Step 6: Final answer
    x = 15,257.62

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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.