Home / 28,440.60-42,665.94-9,716.27

Finding the Fourth Proportional to 28,440.60, 42,665.94 and 9,716.27

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Solution

The fourth proportional to 28,440.60, 42,665.94 and 9,716.27 is: 14,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440.60 : 42,665.94 = 9,716.27 : x
  2. Step 2: Convert to fraction form
    28,440.60/42,665.94 = 9,716.27/x
  3. Step 3: Cross multiply
    28,440.60x = 42,665.94 × 9,716.27
  4. Step 4: Simplify right side
    28,440.60x = 414,553,579.51
  5. Step 5: Solve for x
    x = 414,553,579.51/28,440.60
  6. Step 6: Final answer
    x = 14,576.12

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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.