Home / 28,820.94-39,772.97-16,074.95

Finding the Fourth Proportional to 28,820.94, 39,772.97 and 16,074.95

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Solution

The fourth proportional to 28,820.94, 39,772.97 and 16,074.95 is: 22,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.94 : 39,772.97 = 16,074.95 : x
  2. Step 2: Convert to fraction form
    28,820.94/39,772.97 = 16,074.95/x
  3. Step 3: Cross multiply
    28,820.94x = 39,772.97 × 16,074.95
  4. Step 4: Simplify right side
    28,820.94x = 639,348,434.29
  5. Step 5: Solve for x
    x = 639,348,434.29/28,820.94
  6. Step 6: Final answer
    x = 22,183.47

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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.