Home / 28,882.94-39,841.82-17,389.85

Finding the Fourth Proportional to 28,882.94, 39,841.82 and 17,389.85

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Solution

The fourth proportional to 28,882.94, 39,841.82 and 17,389.85 is: 23,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.94 : 39,841.82 = 17,389.85 : x
  2. Step 2: Convert to fraction form
    28,882.94/39,841.82 = 17,389.85/x
  3. Step 3: Cross multiply
    28,882.94x = 39,841.82 × 17,389.85
  4. Step 4: Simplify right side
    28,882.94x = 692,843,286.18
  5. Step 5: Solve for x
    x = 692,843,286.18/28,882.94
  6. Step 6: Final answer
    x = 23,987.98

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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.