Home / 27,446.22-37,878-15,512.04

Finding the Fourth Proportional to 27,446.22, 37,878 and 15,512.04

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Solution

The fourth proportional to 27,446.22, 37,878 and 15,512.04 is: 21,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,446.22 : 37,878 = 15,512.04 : x
  2. Step 2: Convert to fraction form
    27,446.22/37,878 = 15,512.04/x
  3. Step 3: Cross multiply
    27,446.22x = 37,878 × 15,512.04
  4. Step 4: Simplify right side
    27,446.22x = 587,565,051.12
  5. Step 5: Solve for x
    x = 587,565,051.12/27,446.22
  6. Step 6: Final answer
    x = 21,407.87

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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.