Home / 28,883.62-39,860.49-16,136.14

Finding the Fourth Proportional to 28,883.62, 39,860.49 and 16,136.14

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Solution

The fourth proportional to 28,883.62, 39,860.49 and 16,136.14 is: 22,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,883.62 : 39,860.49 = 16,136.14 : x
  2. Step 2: Convert to fraction form
    28,883.62/39,860.49 = 16,136.14/x
  3. Step 3: Cross multiply
    28,883.62x = 39,860.49 × 16,136.14
  4. Step 4: Simplify right side
    28,883.62x = 643,194,447.11
  5. Step 5: Solve for x
    x = 643,194,447.11/28,883.62
  6. Step 6: Final answer
    x = 22,268.48

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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.