Home / 28,975.92-43,483.32-10,256

Finding the Fourth Proportional to 28,975.92, 43,483.32 and 10,256

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Solution

The fourth proportional to 28,975.92, 43,483.32 and 10,256 is: 15,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.92 : 43,483.32 = 10,256 : x
  2. Step 2: Convert to fraction form
    28,975.92/43,483.32 = 10,256/x
  3. Step 3: Cross multiply
    28,975.92x = 43,483.32 × 10,256
  4. Step 4: Simplify right side
    28,975.92x = 445,964,929.92
  5. Step 5: Solve for x
    x = 445,964,929.92/28,975.92
  6. Step 6: Final answer
    x = 15,390.88

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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.