Home / 27,216.41-37,558.49-15,279.71

Finding the Fourth Proportional to 27,216.41, 37,558.49 and 15,279.71

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Solution

The fourth proportional to 27,216.41, 37,558.49 and 15,279.71 is: 21,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.41 : 37,558.49 = 15,279.71 : x
  2. Step 2: Convert to fraction form
    27,216.41/37,558.49 = 15,279.71/x
  3. Step 3: Cross multiply
    27,216.41x = 37,558.49 × 15,279.71
  4. Step 4: Simplify right side
    27,216.41x = 573,882,571.05
  5. Step 5: Solve for x
    x = 573,882,571.05/27,216.41
  6. Step 6: Final answer
    x = 21,085.91

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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.