Home / 28,926.45-43,396.25-12,287.03

Finding the Fourth Proportional to 28,926.45, 43,396.25 and 12,287.03

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Solution

The fourth proportional to 28,926.45, 43,396.25 and 12,287.03 is: 18,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.45 : 43,396.25 = 12,287.03 : x
  2. Step 2: Convert to fraction form
    28,926.45/43,396.25 = 12,287.03/x
  3. Step 3: Cross multiply
    28,926.45x = 43,396.25 × 12,287.03
  4. Step 4: Simplify right side
    28,926.45x = 533,210,747.22
  5. Step 5: Solve for x
    x = 533,210,747.22/28,926.45
  6. Step 6: Final answer
    x = 18,433.33

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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.