Home / 23,431.91-32,336.85-12,821.54

Finding the Fourth Proportional to 23,431.91, 32,336.85 and 12,821.54

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Solution

The fourth proportional to 23,431.91, 32,336.85 and 12,821.54 is: 17,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.91 : 32,336.85 = 12,821.54 : x
  2. Step 2: Convert to fraction form
    23,431.91/32,336.85 = 12,821.54/x
  3. Step 3: Cross multiply
    23,431.91x = 32,336.85 × 12,821.54
  4. Step 4: Simplify right side
    23,431.91x = 414,608,215.75
  5. Step 5: Solve for x
    x = 414,608,215.75/23,431.91
  6. Step 6: Final answer
    x = 17,694.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.