Home / 28,713.30-43,052.31-11,162.67

Finding the Fourth Proportional to 28,713.30, 43,052.31 and 11,162.67

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Solution

The fourth proportional to 28,713.30, 43,052.31 and 11,162.67 is: 16,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.30 : 43,052.31 = 11,162.67 : x
  2. Step 2: Convert to fraction form
    28,713.30/43,052.31 = 11,162.67/x
  3. Step 3: Cross multiply
    28,713.30x = 43,052.31 × 11,162.67
  4. Step 4: Simplify right side
    28,713.30x = 480,578,729.27
  5. Step 5: Solve for x
    x = 480,578,729.27/28,713.30
  6. Step 6: Final answer
    x = 16,737.15

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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.