Home / 27,177.80-37,502.26-15,239.56

Finding the Fourth Proportional to 27,177.80, 37,502.26 and 15,239.56

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Solution

The fourth proportional to 27,177.80, 37,502.26 and 15,239.56 is: 21,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.80 : 37,502.26 = 15,239.56 : x
  2. Step 2: Convert to fraction form
    27,177.80/37,502.26 = 15,239.56/x
  3. Step 3: Cross multiply
    27,177.80x = 37,502.26 × 15,239.56
  4. Step 4: Simplify right side
    27,177.80x = 571,517,941.41
  5. Step 5: Solve for x
    x = 571,517,941.41/27,177.80
  6. Step 6: Final answer
    x = 21,028.85

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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.