Home / 28,968.15-43,453.04-10,245.54

Finding the Fourth Proportional to 28,968.15, 43,453.04 and 10,245.54

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Solution

The fourth proportional to 28,968.15, 43,453.04 and 10,245.54 is: 15,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.15 : 43,453.04 = 10,245.54 : x
  2. Step 2: Convert to fraction form
    28,968.15/43,453.04 = 10,245.54/x
  3. Step 3: Cross multiply
    28,968.15x = 43,453.04 × 10,245.54
  4. Step 4: Simplify right side
    28,968.15x = 445,199,808.21
  5. Step 5: Solve for x
    x = 445,199,808.21/28,968.15
  6. Step 6: Final answer
    x = 15,368.60

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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.