Home / 27,814.19-41,721.28-18,472.45

Finding the Fourth Proportional to 27,814.19, 41,721.28 and 18,472.45

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Solution

The fourth proportional to 27,814.19, 41,721.28 and 18,472.45 is: 27,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.19 : 41,721.28 = 18,472.45 : x
  2. Step 2: Convert to fraction form
    27,814.19/41,721.28 = 18,472.45/x
  3. Step 3: Cross multiply
    27,814.19x = 41,721.28 × 18,472.45
  4. Step 4: Simplify right side
    27,814.19x = 770,694,258.74
  5. Step 5: Solve for x
    x = 770,694,258.74/27,814.19
  6. Step 6: Final answer
    x = 27,708.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.