Home / 21,447.18-32,171.04-10,351.80

Finding the Fourth Proportional to 21,447.18, 32,171.04 and 10,351.80

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Solution

The fourth proportional to 21,447.18, 32,171.04 and 10,351.80 is: 15,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.18 : 32,171.04 = 10,351.80 : x
  2. Step 2: Convert to fraction form
    21,447.18/32,171.04 = 10,351.80/x
  3. Step 3: Cross multiply
    21,447.18x = 32,171.04 × 10,351.80
  4. Step 4: Simplify right side
    21,447.18x = 333,028,171.87
  5. Step 5: Solve for x
    x = 333,028,171.87/21,447.18
  6. Step 6: Final answer
    x = 15,527.83

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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.