Home / 27,548.25-38,017.38-15,611.19

Finding the Fourth Proportional to 27,548.25, 38,017.38 and 15,611.19

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Solution

The fourth proportional to 27,548.25, 38,017.38 and 15,611.19 is: 21,543.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.25 : 38,017.38 = 15,611.19 : x
  2. Step 2: Convert to fraction form
    27,548.25/38,017.38 = 15,611.19/x
  3. Step 3: Cross multiply
    27,548.25x = 38,017.38 × 15,611.19
  4. Step 4: Simplify right side
    27,548.25x = 593,496,542.48
  5. Step 5: Solve for x
    x = 593,496,542.48/27,548.25
  6. Step 6: Final answer
    x = 21,543.89

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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.