Home / 27,128.88-37,438.71-15,192.54

Finding the Fourth Proportional to 27,128.88, 37,438.71 and 15,192.54

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Solution

The fourth proportional to 27,128.88, 37,438.71 and 15,192.54 is: 20,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.88 : 37,438.71 = 15,192.54 : x
  2. Step 2: Convert to fraction form
    27,128.88/37,438.71 = 15,192.54/x
  3. Step 3: Cross multiply
    27,128.88x = 37,438.71 × 15,192.54
  4. Step 4: Simplify right side
    27,128.88x = 568,789,099.22
  5. Step 5: Solve for x
    x = 568,789,099.22/27,128.88
  6. Step 6: Final answer
    x = 20,966.18

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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.