Home / 28,964.97-39,940.11-25,154.51

Finding the Fourth Proportional to 28,964.97, 39,940.11 and 25,154.51

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Solution

The fourth proportional to 28,964.97, 39,940.11 and 25,154.51 is: 34,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.97 : 39,940.11 = 25,154.51 : x
  2. Step 2: Convert to fraction form
    28,964.97/39,940.11 = 25,154.51/x
  3. Step 3: Cross multiply
    28,964.97x = 39,940.11 × 25,154.51
  4. Step 4: Simplify right side
    28,964.97x = 1,004,673,696.70
  5. Step 5: Solve for x
    x = 1,004,673,696.70/28,964.97
  6. Step 6: Final answer
    x = 34,685.82

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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.