Home / 28,954.65-39,959.36-16,208.97

Finding the Fourth Proportional to 28,954.65, 39,959.36 and 16,208.97

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Solution

The fourth proportional to 28,954.65, 39,959.36 and 16,208.97 is: 22,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.65 : 39,959.36 = 16,208.97 : x
  2. Step 2: Convert to fraction form
    28,954.65/39,959.36 = 16,208.97/x
  3. Step 3: Cross multiply
    28,954.65x = 39,959.36 × 16,208.97
  4. Step 4: Simplify right side
    28,954.65x = 647,700,067.46
  5. Step 5: Solve for x
    x = 647,700,067.46/28,954.65
  6. Step 6: Final answer
    x = 22,369.47

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1.5x scale

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.