Home / 21,485.84-32,179.20-15,524.96

Finding the Fourth Proportional to 21,485.84, 32,179.20 and 15,524.96

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Solution

The fourth proportional to 21,485.84, 32,179.20 and 15,524.96 is: 23,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.84 : 32,179.20 = 15,524.96 : x
  2. Step 2: Convert to fraction form
    21,485.84/32,179.20 = 15,524.96/x
  3. Step 3: Cross multiply
    21,485.84x = 32,179.20 × 15,524.96
  4. Step 4: Simplify right side
    21,485.84x = 499,580,792.83
  5. Step 5: Solve for x
    x = 499,580,792.83/21,485.84
  6. Step 6: Final answer
    x = 23,251.63

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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.