Home / 21,532.62-32,305.20-13,217.97

Finding the Fourth Proportional to 21,532.62, 32,305.20 and 13,217.97

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Solution

The fourth proportional to 21,532.62, 32,305.20 and 13,217.97 is: 19,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.62 : 32,305.20 = 13,217.97 : x
  2. Step 2: Convert to fraction form
    21,532.62/32,305.20 = 13,217.97/x
  3. Step 3: Cross multiply
    21,532.62x = 32,305.20 × 13,217.97
  4. Step 4: Simplify right side
    21,532.62x = 427,009,002.92
  5. Step 5: Solve for x
    x = 427,009,002.92/21,532.62
  6. Step 6: Final answer
    x = 19,830.80

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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.