Home / 27,610.47-38,103.08-15,672.69

Finding the Fourth Proportional to 27,610.47, 38,103.08 and 15,672.69

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Solution

The fourth proportional to 27,610.47, 38,103.08 and 15,672.69 is: 21,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,610.47 : 38,103.08 = 15,672.69 : x
  2. Step 2: Convert to fraction form
    27,610.47/38,103.08 = 15,672.69/x
  3. Step 3: Cross multiply
    27,610.47x = 38,103.08 × 15,672.69
  4. Step 4: Simplify right side
    27,610.47x = 597,177,682.52
  5. Step 5: Solve for x
    x = 597,177,682.52/27,610.47
  6. Step 6: Final answer
    x = 21,628.67

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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.