Home / 21,793.55-32,640.51-17,102.84

Finding the Fourth Proportional to 21,793.55, 32,640.51 and 17,102.84

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Solution

The fourth proportional to 21,793.55, 32,640.51 and 17,102.84 is: 25,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.55 : 32,640.51 = 17,102.84 : x
  2. Step 2: Convert to fraction form
    21,793.55/32,640.51 = 17,102.84/x
  3. Step 3: Cross multiply
    21,793.55x = 32,640.51 × 17,102.84
  4. Step 4: Simplify right side
    21,793.55x = 558,245,420.05
  5. Step 5: Solve for x
    x = 558,245,420.05/21,793.55
  6. Step 6: Final answer
    x = 25,615.17

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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.