Home / 21,512.42-32,271.91-10,976.69

Finding the Fourth Proportional to 21,512.42, 32,271.91 and 10,976.69

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Solution

The fourth proportional to 21,512.42, 32,271.91 and 10,976.69 is: 16,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.42 : 32,271.91 = 10,976.69 : x
  2. Step 2: Convert to fraction form
    21,512.42/32,271.91 = 10,976.69/x
  3. Step 3: Cross multiply
    21,512.42x = 32,271.91 × 10,976.69
  4. Step 4: Simplify right side
    21,512.42x = 354,238,684.00
  5. Step 5: Solve for x
    x = 354,238,684.00/21,512.42
  6. Step 6: Final answer
    x = 16,466.71

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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.