Home / 28,936.08-39,915.18-16,997.22

Finding the Fourth Proportional to 28,936.08, 39,915.18 and 16,997.22

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Solution

The fourth proportional to 28,936.08, 39,915.18 and 16,997.22 is: 23,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.08 : 39,915.18 = 16,997.22 : x
  2. Step 2: Convert to fraction form
    28,936.08/39,915.18 = 16,997.22/x
  3. Step 3: Cross multiply
    28,936.08x = 39,915.18 × 16,997.22
  4. Step 4: Simplify right side
    28,936.08x = 678,447,095.80
  5. Step 5: Solve for x
    x = 678,447,095.80/28,936.08
  6. Step 6: Final answer
    x = 23,446.41

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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.