Home / 27,412.28-37,826.83-15,476.80

Finding the Fourth Proportional to 27,412.28, 37,826.83 and 15,476.80

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Solution

The fourth proportional to 27,412.28, 37,826.83 and 15,476.80 is: 21,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,412.28 : 37,826.83 = 15,476.80 : x
  2. Step 2: Convert to fraction form
    27,412.28/37,826.83 = 15,476.80/x
  3. Step 3: Cross multiply
    27,412.28x = 37,826.83 × 15,476.80
  4. Step 4: Simplify right side
    27,412.28x = 585,438,282.54
  5. Step 5: Solve for x
    x = 585,438,282.54/27,412.28
  6. Step 6: Final answer
    x = 21,356.79

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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.