Home / 27,218.13-37,558.23-15,281.36

Finding the Fourth Proportional to 27,218.13, 37,558.23 and 15,281.36

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Solution

The fourth proportional to 27,218.13, 37,558.23 and 15,281.36 is: 21,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.13 : 37,558.23 = 15,281.36 : x
  2. Step 2: Convert to fraction form
    27,218.13/37,558.23 = 15,281.36/x
  3. Step 3: Cross multiply
    27,218.13x = 37,558.23 × 15,281.36
  4. Step 4: Simplify right side
    27,218.13x = 573,940,815.30
  5. Step 5: Solve for x
    x = 573,940,815.30/27,218.13
  6. Step 6: Final answer
    x = 21,086.71

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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.