Home / 15,502.78-23,254.26-3,815.92

Finding the Fourth Proportional to 15,502.78, 23,254.26 and 3,815.92

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Solution

The fourth proportional to 15,502.78, 23,254.26 and 3,815.92 is: 5,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.78 : 23,254.26 = 3,815.92 : x
  2. Step 2: Convert to fraction form
    15,502.78/23,254.26 = 3,815.92/x
  3. Step 3: Cross multiply
    15,502.78x = 23,254.26 × 3,815.92
  4. Step 4: Simplify right side
    15,502.78x = 88,736,395.82
  5. Step 5: Solve for x
    x = 88,736,395.82/15,502.78
  6. Step 6: Final answer
    x = 5,723.90

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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.