Home / 28,748.44-43,136.88-12,964.42

Finding the Fourth Proportional to 28,748.44, 43,136.88 and 12,964.42

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Solution

The fourth proportional to 28,748.44, 43,136.88 and 12,964.42 is: 19,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.44 : 43,136.88 = 12,964.42 : x
  2. Step 2: Convert to fraction form
    28,748.44/43,136.88 = 12,964.42/x
  3. Step 3: Cross multiply
    28,748.44x = 43,136.88 × 12,964.42
  4. Step 4: Simplify right side
    28,748.44x = 559,244,629.81
  5. Step 5: Solve for x
    x = 559,244,629.81/28,748.44
  6. Step 6: Final answer
    x = 19,453.04

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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.