Home / 28,147.94-38,843.28-16,814.89

Finding the Fourth Proportional to 28,147.94, 38,843.28 and 16,814.89

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Solution

The fourth proportional to 28,147.94, 38,843.28 and 16,814.89 is: 23,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.94 : 38,843.28 = 16,814.89 : x
  2. Step 2: Convert to fraction form
    28,147.94/38,843.28 = 16,814.89/x
  3. Step 3: Cross multiply
    28,147.94x = 38,843.28 × 16,814.89
  4. Step 4: Simplify right side
    28,147.94x = 653,145,528.99
  5. Step 5: Solve for x
    x = 653,145,528.99/28,147.94
  6. Step 6: Final answer
    x = 23,204.03

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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.