Home / 18,976.43-28,465.46-5,829.32

Finding the Fourth Proportional to 18,976.43, 28,465.46 and 5,829.32

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Solution

The fourth proportional to 18,976.43, 28,465.46 and 5,829.32 is: 8,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.43 : 28,465.46 = 5,829.32 : x
  2. Step 2: Convert to fraction form
    18,976.43/28,465.46 = 5,829.32/x
  3. Step 3: Cross multiply
    18,976.43x = 28,465.46 × 5,829.32
  4. Step 4: Simplify right side
    18,976.43x = 165,934,275.29
  5. Step 5: Solve for x
    x = 165,934,275.29/18,976.43
  6. Step 6: Final answer
    x = 8,744.23

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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.