Home / 28,106.08-38,786.87-16,773.38

Finding the Fourth Proportional to 28,106.08, 38,786.87 and 16,773.38

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Solution

The fourth proportional to 28,106.08, 38,786.87 and 16,773.38 is: 23,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.08 : 38,786.87 = 16,773.38 : x
  2. Step 2: Convert to fraction form
    28,106.08/38,786.87 = 16,773.38/x
  3. Step 3: Cross multiply
    28,106.08x = 38,786.87 × 16,773.38
  4. Step 4: Simplify right side
    28,106.08x = 650,586,897.07
  5. Step 5: Solve for x
    x = 650,586,897.07/28,106.08
  6. Step 6: Final answer
    x = 23,147.55

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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.