Home / 27,382.73-37,786.59-15,445.36

Finding the Fourth Proportional to 27,382.73, 37,786.59 and 15,445.36

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Solution

The fourth proportional to 27,382.73, 37,786.59 and 15,445.36 is: 21,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.73 : 37,786.59 = 15,445.36 : x
  2. Step 2: Convert to fraction form
    27,382.73/37,786.59 = 15,445.36/x
  3. Step 3: Cross multiply
    27,382.73x = 37,786.59 × 15,445.36
  4. Step 4: Simplify right side
    27,382.73x = 583,627,485.72
  5. Step 5: Solve for x
    x = 583,627,485.72/27,382.73
  6. Step 6: Final answer
    x = 21,313.71

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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.