Home / 28,317.94-42,493.29-11,674.87

Finding the Fourth Proportional to 28,317.94, 42,493.29 and 11,674.87

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Solution

The fourth proportional to 28,317.94, 42,493.29 and 11,674.87 is: 17,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.94 : 42,493.29 = 11,674.87 : x
  2. Step 2: Convert to fraction form
    28,317.94/42,493.29 = 11,674.87/x
  3. Step 3: Cross multiply
    28,317.94x = 42,493.29 × 11,674.87
  4. Step 4: Simplify right side
    28,317.94x = 496,103,636.62
  5. Step 5: Solve for x
    x = 496,103,636.62/28,317.94
  6. Step 6: Final answer
    x = 17,519.06

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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.