Home / 28,857.54-43,282.53-9,136.20

Finding the Fourth Proportional to 28,857.54, 43,282.53 and 9,136.20

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Solution

The fourth proportional to 28,857.54, 43,282.53 and 9,136.20 is: 13,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.54 : 43,282.53 = 9,136.20 : x
  2. Step 2: Convert to fraction form
    28,857.54/43,282.53 = 9,136.20/x
  3. Step 3: Cross multiply
    28,857.54x = 43,282.53 × 9,136.20
  4. Step 4: Simplify right side
    28,857.54x = 395,437,850.59
  5. Step 5: Solve for x
    x = 395,437,850.59/28,857.54
  6. Step 6: Final answer
    x = 13,703.10

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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.