Home / 28,908.87-39,906.54-17,582

Finding the Fourth Proportional to 28,908.87, 39,906.54 and 17,582

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Solution

The fourth proportional to 28,908.87, 39,906.54 and 17,582 is: 24,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.87 : 39,906.54 = 17,582 : x
  2. Step 2: Convert to fraction form
    28,908.87/39,906.54 = 17,582/x
  3. Step 3: Cross multiply
    28,908.87x = 39,906.54 × 17,582
  4. Step 4: Simplify right side
    28,908.87x = 701,636,786.28
  5. Step 5: Solve for x
    x = 701,636,786.28/28,908.87
  6. Step 6: Final answer
    x = 24,270.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.