Home / 28,929.24-43,395.54-8,151

Finding the Fourth Proportional to 28,929.24, 43,395.54 and 8,151

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Solution

The fourth proportional to 28,929.24, 43,395.54 and 8,151 is: 12,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.24 : 43,395.54 = 8,151 : x
  2. Step 2: Convert to fraction form
    28,929.24/43,395.54 = 8,151/x
  3. Step 3: Cross multiply
    28,929.24x = 43,395.54 × 8,151
  4. Step 4: Simplify right side
    28,929.24x = 353,717,046.54
  5. Step 5: Solve for x
    x = 353,717,046.54/28,929.24
  6. Step 6: Final answer
    x = 12,226.97

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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.