Home / 28,968.40-43,453.41-10,245.79

Finding the Fourth Proportional to 28,968.40, 43,453.41 and 10,245.79

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Solution

The fourth proportional to 28,968.40, 43,453.41 and 10,245.79 is: 15,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968.40 : 43,453.41 = 10,245.79 : x
  2. Step 2: Convert to fraction form
    28,968.40/43,453.41 = 10,245.79/x
  3. Step 3: Cross multiply
    28,968.40x = 43,453.41 × 10,245.79
  4. Step 4: Simplify right side
    28,968.40x = 445,214,513.64
  5. Step 5: Solve for x
    x = 445,214,513.64/28,968.40
  6. Step 6: Final answer
    x = 15,368.97

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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.