Home / 28,860.71-39,838.37-16,934.04

Finding the Fourth Proportional to 28,860.71, 39,838.37 and 16,934.04

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Solution

The fourth proportional to 28,860.71, 39,838.37 and 16,934.04 is: 23,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.71 : 39,838.37 = 16,934.04 : x
  2. Step 2: Convert to fraction form
    28,860.71/39,838.37 = 16,934.04/x
  3. Step 3: Cross multiply
    28,860.71x = 39,838.37 × 16,934.04
  4. Step 4: Simplify right side
    28,860.71x = 674,624,466.44
  5. Step 5: Solve for x
    x = 674,624,466.44/28,860.71
  6. Step 6: Final answer
    x = 23,375.19

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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.