Home / 28,761.63-43,135.95-11,222.43

Finding the Fourth Proportional to 28,761.63, 43,135.95 and 11,222.43

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Solution

The fourth proportional to 28,761.63, 43,135.95 and 11,222.43 is: 16,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.63 : 43,135.95 = 11,222.43 : x
  2. Step 2: Convert to fraction form
    28,761.63/43,135.95 = 11,222.43/x
  3. Step 3: Cross multiply
    28,761.63x = 43,135.95 × 11,222.43
  4. Step 4: Simplify right side
    28,761.63x = 484,090,179.36
  5. Step 5: Solve for x
    x = 484,090,179.36/28,761.63
  6. Step 6: Final answer
    x = 16,831.11

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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.