Home / 27,382.21-37,786.69-15,444.83

Finding the Fourth Proportional to 27,382.21, 37,786.69 and 15,444.83

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Solution

The fourth proportional to 27,382.21, 37,786.69 and 15,444.83 is: 21,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.21 : 37,786.69 = 15,444.83 : x
  2. Step 2: Convert to fraction form
    27,382.21/37,786.69 = 15,444.83/x
  3. Step 3: Cross multiply
    27,382.21x = 37,786.69 × 15,444.83
  4. Step 4: Simplify right side
    27,382.21x = 583,609,003.31
  5. Step 5: Solve for x
    x = 583,609,003.31/27,382.21
  6. Step 6: Final answer
    x = 21,313.44

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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.