Home / 27,548.50-38,017.73-15,611.44

Finding the Fourth Proportional to 27,548.50, 38,017.73 and 15,611.44

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Solution

The fourth proportional to 27,548.50, 38,017.73 and 15,611.44 is: 21,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.50 : 38,017.73 = 15,611.44 : x
  2. Step 2: Convert to fraction form
    27,548.50/38,017.73 = 15,611.44/x
  3. Step 3: Cross multiply
    27,548.50x = 38,017.73 × 15,611.44
  4. Step 4: Simplify right side
    27,548.50x = 593,511,242.69
  5. Step 5: Solve for x
    x = 593,511,242.69/27,548.50
  6. Step 6: Final answer
    x = 21,544.23

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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.