Home / 20,534.42-28,311.82-17,136.32

Finding the Fourth Proportional to 20,534.42, 28,311.82 and 17,136.32

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Solution

The fourth proportional to 20,534.42, 28,311.82 and 17,136.32 is: 23,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.42 : 28,311.82 = 17,136.32 : x
  2. Step 2: Convert to fraction form
    20,534.42/28,311.82 = 17,136.32/x
  3. Step 3: Cross multiply
    20,534.42x = 28,311.82 × 17,136.32
  4. Step 4: Simplify right side
    20,534.42x = 485,160,222.90
  5. Step 5: Solve for x
    x = 485,160,222.90/20,534.42
  6. Step 6: Final answer
    x = 23,626.68

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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.