Home / 28,135.35-38,830.46-16,199.19

Finding the Fourth Proportional to 28,135.35, 38,830.46 and 16,199.19

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Solution

The fourth proportional to 28,135.35, 38,830.46 and 16,199.19 is: 22,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135.35 : 38,830.46 = 16,199.19 : x
  2. Step 2: Convert to fraction form
    28,135.35/38,830.46 = 16,199.19/x
  3. Step 3: Cross multiply
    28,135.35x = 38,830.46 × 16,199.19
  4. Step 4: Simplify right side
    28,135.35x = 629,021,918.33
  5. Step 5: Solve for x
    x = 629,021,918.33/28,135.35
  6. Step 6: Final answer
    x = 22,357.00

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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.