Home / 28,936.44-39,933.42-16,999.67

Finding the Fourth Proportional to 28,936.44, 39,933.42 and 16,999.67

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Solution

The fourth proportional to 28,936.44, 39,933.42 and 16,999.67 is: 23,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.44 : 39,933.42 = 16,999.67 : x
  2. Step 2: Convert to fraction form
    28,936.44/39,933.42 = 16,999.67/x
  3. Step 3: Cross multiply
    28,936.44x = 39,933.42 × 16,999.67
  4. Step 4: Simplify right side
    28,936.44x = 678,854,961.97
  5. Step 5: Solve for x
    x = 678,854,961.97/28,936.44
  6. Step 6: Final answer
    x = 23,460.21

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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.