Home / 27,719.93-38,242.64-17,091.11

Finding the Fourth Proportional to 27,719.93, 38,242.64 and 17,091.11

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Solution

The fourth proportional to 27,719.93, 38,242.64 and 17,091.11 is: 23,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719.93 : 38,242.64 = 17,091.11 : x
  2. Step 2: Convert to fraction form
    27,719.93/38,242.64 = 17,091.11/x
  3. Step 3: Cross multiply
    27,719.93x = 38,242.64 × 17,091.11
  4. Step 4: Simplify right side
    27,719.93x = 653,608,890.26
  5. Step 5: Solve for x
    x = 653,608,890.26/27,719.93
  6. Step 6: Final answer
    x = 23,579.03

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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.