Home / 20,824.86-28,688.46-17,224.83

Finding the Fourth Proportional to 20,824.86, 28,688.46 and 17,224.83

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Solution

The fourth proportional to 20,824.86, 28,688.46 and 17,224.83 is: 23,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824.86 : 28,688.46 = 17,224.83 : x
  2. Step 2: Convert to fraction form
    20,824.86/28,688.46 = 17,224.83/x
  3. Step 3: Cross multiply
    20,824.86x = 28,688.46 × 17,224.83
  4. Step 4: Simplify right side
    20,824.86x = 494,153,846.46
  5. Step 5: Solve for x
    x = 494,153,846.46/20,824.86
  6. Step 6: Final answer
    x = 23,729.04

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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.