Home / 28,504.86-42,716.79-13,495.97

Finding the Fourth Proportional to 28,504.86, 42,716.79 and 13,495.97

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Solution

The fourth proportional to 28,504.86, 42,716.79 and 13,495.97 is: 20,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.86 : 42,716.79 = 13,495.97 : x
  2. Step 2: Convert to fraction form
    28,504.86/42,716.79 = 13,495.97/x
  3. Step 3: Cross multiply
    28,504.86x = 42,716.79 × 13,495.97
  4. Step 4: Simplify right side
    28,504.86x = 576,504,302.75
  5. Step 5: Solve for x
    x = 576,504,302.75/28,504.86
  6. Step 6: Final answer
    x = 20,224.77

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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.