Home / 27,548.75-38,018.07-15,611.69

Finding the Fourth Proportional to 27,548.75, 38,018.07 and 15,611.69

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Solution

The fourth proportional to 27,548.75, 38,018.07 and 15,611.69 is: 21,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,548.75 : 38,018.07 = 15,611.69 : x
  2. Step 2: Convert to fraction form
    27,548.75/38,018.07 = 15,611.69/x
  3. Step 3: Cross multiply
    27,548.75x = 38,018.07 × 15,611.69
  4. Step 4: Simplify right side
    27,548.75x = 593,526,133.15
  5. Step 5: Solve for x
    x = 593,526,133.15/27,548.75
  6. Step 6: Final answer
    x = 21,544.58

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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.