Home / 28,793.06-39,720.84-16,849.07

Finding the Fourth Proportional to 28,793.06, 39,720.84 and 16,849.07

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Solution

The fourth proportional to 28,793.06, 39,720.84 and 16,849.07 is: 23,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,793.06 : 39,720.84 = 16,849.07 : x
  2. Step 2: Convert to fraction form
    28,793.06/39,720.84 = 16,849.07/x
  3. Step 3: Cross multiply
    28,793.06x = 39,720.84 × 16,849.07
  4. Step 4: Simplify right side
    28,793.06x = 669,259,213.62
  5. Step 5: Solve for x
    x = 669,259,213.62/28,793.06
  6. Step 6: Final answer
    x = 23,243.77

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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.