Home / 28,976.54-43,464.80-15,821.73

Finding the Fourth Proportional to 28,976.54, 43,464.80 and 15,821.73

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Solution

The fourth proportional to 28,976.54, 43,464.80 and 15,821.73 is: 23,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.54 : 43,464.80 = 15,821.73 : x
  2. Step 2: Convert to fraction form
    28,976.54/43,464.80 = 15,821.73/x
  3. Step 3: Cross multiply
    28,976.54x = 43,464.80 × 15,821.73
  4. Step 4: Simplify right side
    28,976.54x = 687,688,369.66
  5. Step 5: Solve for x
    x = 687,688,369.66/28,976.54
  6. Step 6: Final answer
    x = 23,732.60

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1.5x scale

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.