Home / 28,849.08-39,818.14-18,759.96

Finding the Fourth Proportional to 28,849.08, 39,818.14 and 18,759.96

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Solution

The fourth proportional to 28,849.08, 39,818.14 and 18,759.96 is: 25,892.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.08 : 39,818.14 = 18,759.96 : x
  2. Step 2: Convert to fraction form
    28,849.08/39,818.14 = 18,759.96/x
  3. Step 3: Cross multiply
    28,849.08x = 39,818.14 × 18,759.96
  4. Step 4: Simplify right side
    28,849.08x = 746,986,713.67
  5. Step 5: Solve for x
    x = 746,986,713.67/28,849.08
  6. Step 6: Final answer
    x = 25,892.91

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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.