Home / 27,422.56-37,843.86-15,486.16

Finding the Fourth Proportional to 27,422.56, 37,843.86 and 15,486.16

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Solution

The fourth proportional to 27,422.56, 37,843.86 and 15,486.16 is: 21,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.56 : 37,843.86 = 15,486.16 : x
  2. Step 2: Convert to fraction form
    27,422.56/37,843.86 = 15,486.16/x
  3. Step 3: Cross multiply
    27,422.56x = 37,843.86 × 15,486.16
  4. Step 4: Simplify right side
    27,422.56x = 586,056,070.98
  5. Step 5: Solve for x
    x = 586,056,070.98/27,422.56
  6. Step 6: Final answer
    x = 21,371.31

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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.