Home / 28,369.69-42,550.70-11,727.41

Finding the Fourth Proportional to 28,369.69, 42,550.70 and 11,727.41

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Solution

The fourth proportional to 28,369.69, 42,550.70 and 11,727.41 is: 17,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.69 : 42,550.70 = 11,727.41 : x
  2. Step 2: Convert to fraction form
    28,369.69/42,550.70 = 11,727.41/x
  3. Step 3: Cross multiply
    28,369.69x = 42,550.70 × 11,727.41
  4. Step 4: Simplify right side
    28,369.69x = 499,009,538.61
  5. Step 5: Solve for x
    x = 499,009,538.61/28,369.69
  6. Step 6: Final answer
    x = 17,589.53

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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.