Home / 28,136.56-42,204.84-11,496.58

Finding the Fourth Proportional to 28,136.56, 42,204.84 and 11,496.58

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Solution

The fourth proportional to 28,136.56, 42,204.84 and 11,496.58 is: 17,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.56 : 42,204.84 = 11,496.58 : x
  2. Step 2: Convert to fraction form
    28,136.56/42,204.84 = 11,496.58/x
  3. Step 3: Cross multiply
    28,136.56x = 42,204.84 × 11,496.58
  4. Step 4: Simplify right side
    28,136.56x = 485,211,079.68
  5. Step 5: Solve for x
    x = 485,211,079.68/28,136.56
  6. Step 6: Final answer
    x = 17,244.86

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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.