Home / 28,815.50-43,223.25-9,359.50

Finding the Fourth Proportional to 28,815.50, 43,223.25 and 9,359.50

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Solution

The fourth proportional to 28,815.50, 43,223.25 and 9,359.50 is: 14,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.50 : 43,223.25 = 9,359.50 : x
  2. Step 2: Convert to fraction form
    28,815.50/43,223.25 = 9,359.50/x
  3. Step 3: Cross multiply
    28,815.50x = 43,223.25 × 9,359.50
  4. Step 4: Simplify right side
    28,815.50x = 404,548,008.38
  5. Step 5: Solve for x
    x = 404,548,008.38/28,815.50
  6. Step 6: Final answer
    x = 14,039.25

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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.