Home / 27,132.30-37,438.20-15,195.60

Finding the Fourth Proportional to 27,132.30, 37,438.20 and 15,195.60

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Solution

The fourth proportional to 27,132.30, 37,438.20 and 15,195.60 is: 20,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.30 : 37,438.20 = 15,195.60 : x
  2. Step 2: Convert to fraction form
    27,132.30/37,438.20 = 15,195.60/x
  3. Step 3: Cross multiply
    27,132.30x = 37,438.20 × 15,195.60
  4. Step 4: Simplify right side
    27,132.30x = 568,895,911.92
  5. Step 5: Solve for x
    x = 568,895,911.92/27,132.30
  6. Step 6: Final answer
    x = 20,967.48

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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.