Home / 27,058.32-37,340.36-15,121.65

Finding the Fourth Proportional to 27,058.32, 37,340.36 and 15,121.65

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Solution

The fourth proportional to 27,058.32, 37,340.36 and 15,121.65 is: 20,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,058.32 : 37,340.36 = 15,121.65 : x
  2. Step 2: Convert to fraction form
    27,058.32/37,340.36 = 15,121.65/x
  3. Step 3: Cross multiply
    27,058.32x = 37,340.36 × 15,121.65
  4. Step 4: Simplify right side
    27,058.32x = 564,647,985.95
  5. Step 5: Solve for x
    x = 564,647,985.95/27,058.32
  6. Step 6: Final answer
    x = 20,867.81

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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.