Home / 27,828.19-41,746.21-9,109.74

Finding the Fourth Proportional to 27,828.19, 41,746.21 and 9,109.74

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Solution

The fourth proportional to 27,828.19, 41,746.21 and 9,109.74 is: 13,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.19 : 41,746.21 = 9,109.74 : x
  2. Step 2: Convert to fraction form
    27,828.19/41,746.21 = 9,109.74/x
  3. Step 3: Cross multiply
    27,828.19x = 41,746.21 × 9,109.74
  4. Step 4: Simplify right side
    27,828.19x = 380,297,119.09
  5. Step 5: Solve for x
    x = 380,297,119.09/27,828.19
  6. Step 6: Final answer
    x = 13,665.90

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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.