Home / 27,335.14-37,721.72-15,398.21

Finding the Fourth Proportional to 27,335.14, 37,721.72 and 15,398.21

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Solution

The fourth proportional to 27,335.14, 37,721.72 and 15,398.21 is: 21,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.14 : 37,721.72 = 15,398.21 : x
  2. Step 2: Convert to fraction form
    27,335.14/37,721.72 = 15,398.21/x
  3. Step 3: Cross multiply
    27,335.14x = 37,721.72 × 15,398.21
  4. Step 4: Simplify right side
    27,335.14x = 580,847,098.92
  5. Step 5: Solve for x
    x = 580,847,098.92/27,335.14
  6. Step 6: Final answer
    x = 21,249.10

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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.