Home / 22,992.22-31,743.78-15,047.87

Finding the Fourth Proportional to 22,992.22, 31,743.78 and 15,047.87

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Solution

The fourth proportional to 22,992.22, 31,743.78 and 15,047.87 is: 20,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,992.22 : 31,743.78 = 15,047.87 : x
  2. Step 2: Convert to fraction form
    22,992.22/31,743.78 = 15,047.87/x
  3. Step 3: Cross multiply
    22,992.22x = 31,743.78 × 15,047.87
  4. Step 4: Simplify right side
    22,992.22x = 477,676,274.75
  5. Step 5: Solve for x
    x = 477,676,274.75/22,992.22
  6. Step 6: Final answer
    x = 20,775.57

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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.