Home / 27,842.13-41,707.55-16,742.72

Finding the Fourth Proportional to 27,842.13, 41,707.55 and 16,742.72

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Solution

The fourth proportional to 27,842.13, 41,707.55 and 16,742.72 is: 25,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.13 : 41,707.55 = 16,742.72 : x
  2. Step 2: Convert to fraction form
    27,842.13/41,707.55 = 16,742.72/x
  3. Step 3: Cross multiply
    27,842.13x = 41,707.55 × 16,742.72
  4. Step 4: Simplify right side
    27,842.13x = 698,297,539.28
  5. Step 5: Solve for x
    x = 698,297,539.28/27,842.13
  6. Step 6: Final answer
    x = 25,080.61

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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.