Home / 28,044.05-38,709.38-16,721.87

Finding the Fourth Proportional to 28,044.05, 38,709.38 and 16,721.87

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Solution

The fourth proportional to 28,044.05, 38,709.38 and 16,721.87 is: 23,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.05 : 38,709.38 = 16,721.87 : x
  2. Step 2: Convert to fraction form
    28,044.05/38,709.38 = 16,721.87/x
  3. Step 3: Cross multiply
    28,044.05x = 38,709.38 × 16,721.87
  4. Step 4: Simplify right side
    28,044.05x = 647,293,136.53
  5. Step 5: Solve for x
    x = 647,293,136.53/28,044.05
  6. Step 6: Final answer
    x = 23,081.30

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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.