Home / 28,762.63-43,137.45-11,223.43

Finding the Fourth Proportional to 28,762.63, 43,137.45 and 11,223.43

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Solution

The fourth proportional to 28,762.63, 43,137.45 and 11,223.43 is: 16,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.63 : 43,137.45 = 11,223.43 : x
  2. Step 2: Convert to fraction form
    28,762.63/43,137.45 = 11,223.43/x
  3. Step 3: Cross multiply
    28,762.63x = 43,137.45 × 11,223.43
  4. Step 4: Simplify right side
    28,762.63x = 484,150,150.45
  5. Step 5: Solve for x
    x = 484,150,150.45/28,762.63
  6. Step 6: Final answer
    x = 16,832.61

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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.