Home / 28,749.88-39,674.82-16,002.79

Finding the Fourth Proportional to 28,749.88, 39,674.82 and 16,002.79

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Solution

The fourth proportional to 28,749.88, 39,674.82 and 16,002.79 is: 22,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.88 : 39,674.82 = 16,002.79 : x
  2. Step 2: Convert to fraction form
    28,749.88/39,674.82 = 16,002.79/x
  3. Step 3: Cross multiply
    28,749.88x = 39,674.82 × 16,002.79
  4. Step 4: Simplify right side
    28,749.88x = 634,907,713.56
  5. Step 5: Solve for x
    x = 634,907,713.56/28,749.88
  6. Step 6: Final answer
    x = 22,083.84

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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.