Home / 27,518.46-37,976.27-15,581.49

Finding the Fourth Proportional to 27,518.46, 37,976.27 and 15,581.49

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Solution

The fourth proportional to 27,518.46, 37,976.27 and 15,581.49 is: 21,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.46 : 37,976.27 = 15,581.49 : x
  2. Step 2: Convert to fraction form
    27,518.46/37,976.27 = 15,581.49/x
  3. Step 3: Cross multiply
    27,518.46x = 37,976.27 × 15,581.49
  4. Step 4: Simplify right side
    27,518.46x = 591,726,871.24
  5. Step 5: Solve for x
    x = 591,726,871.24/27,518.46
  6. Step 6: Final answer
    x = 21,502.91

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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.