Home / 28,973.92-43,480.32-10,254

Finding the Fourth Proportional to 28,973.92, 43,480.32 and 10,254

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Solution

The fourth proportional to 28,973.92, 43,480.32 and 10,254 is: 15,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.92 : 43,480.32 = 10,254 : x
  2. Step 2: Convert to fraction form
    28,973.92/43,480.32 = 10,254/x
  3. Step 3: Cross multiply
    28,973.92x = 43,480.32 × 10,254
  4. Step 4: Simplify right side
    28,973.92x = 445,847,201.28
  5. Step 5: Solve for x
    x = 445,847,201.28/28,973.92
  6. Step 6: Final answer
    x = 15,387.88

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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.