Home / 29,231.56-43,886.19-15,390.28

Finding the Fourth Proportional to 29,231.56, 43,886.19 and 15,390.28

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Solution

The fourth proportional to 29,231.56, 43,886.19 and 15,390.28 is: 23,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.56 : 43,886.19 = 15,390.28 : x
  2. Step 2: Convert to fraction form
    29,231.56/43,886.19 = 15,390.28/x
  3. Step 3: Cross multiply
    29,231.56x = 43,886.19 × 15,390.28
  4. Step 4: Simplify right side
    29,231.56x = 675,420,752.23
  5. Step 5: Solve for x
    x = 675,420,752.23/29,231.56
  6. Step 6: Final answer
    x = 23,105.87

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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.