Home / 27,610.90-38,093.03-15,667.31

Finding the Fourth Proportional to 27,610.90, 38,093.03 and 15,667.31

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Solution

The fourth proportional to 27,610.90, 38,093.03 and 15,667.31 is: 21,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,610.90 : 38,093.03 = 15,667.31 : x
  2. Step 2: Convert to fraction form
    27,610.90/38,093.03 = 15,667.31/x
  3. Step 3: Cross multiply
    27,610.90x = 38,093.03 × 15,667.31
  4. Step 4: Simplify right side
    27,610.90x = 596,815,309.85
  5. Step 5: Solve for x
    x = 596,815,309.85/27,610.90
  6. Step 6: Final answer
    x = 21,615.21

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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.