Home / 28,739.21-43,095.12-10,016.96

Finding the Fourth Proportional to 28,739.21, 43,095.12 and 10,016.96

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Solution

The fourth proportional to 28,739.21, 43,095.12 and 10,016.96 is: 15,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,739.21 : 43,095.12 = 10,016.96 : x
  2. Step 2: Convert to fraction form
    28,739.21/43,095.12 = 10,016.96/x
  3. Step 3: Cross multiply
    28,739.21x = 43,095.12 × 10,016.96
  4. Step 4: Simplify right side
    28,739.21x = 431,682,093.24
  5. Step 5: Solve for x
    x = 431,682,093.24/28,739.21
  6. Step 6: Final answer
    x = 15,020.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.