Home / 18,049.40-27,001.20-15,611.32

Finding the Fourth Proportional to 18,049.40, 27,001.20 and 15,611.32

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Solution

The fourth proportional to 18,049.40, 27,001.20 and 15,611.32 is: 23,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,049.40 : 27,001.20 = 15,611.32 : x
  2. Step 2: Convert to fraction form
    18,049.40/27,001.20 = 15,611.32/x
  3. Step 3: Cross multiply
    18,049.40x = 27,001.20 × 15,611.32
  4. Step 4: Simplify right side
    18,049.40x = 421,524,373.58
  5. Step 5: Solve for x
    x = 421,524,373.58/18,049.40
  6. Step 6: Final answer
    x = 23,353.93

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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.