Home / 27,631.54-38,136.42-16,300.36

Finding the Fourth Proportional to 27,631.54, 38,136.42 and 16,300.36

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Solution

The fourth proportional to 27,631.54, 38,136.42 and 16,300.36 is: 22,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.54 : 38,136.42 = 16,300.36 : x
  2. Step 2: Convert to fraction form
    27,631.54/38,136.42 = 16,300.36/x
  3. Step 3: Cross multiply
    27,631.54x = 38,136.42 × 16,300.36
  4. Step 4: Simplify right side
    27,631.54x = 621,637,375.11
  5. Step 5: Solve for x
    x = 621,637,375.11/27,631.54
  6. Step 6: Final answer
    x = 22,497.38

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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.