Home / 28,113.94-38,797.28-16,177.04

Finding the Fourth Proportional to 28,113.94, 38,797.28 and 16,177.04

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Solution

The fourth proportional to 28,113.94, 38,797.28 and 16,177.04 is: 22,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,113.94 : 38,797.28 = 16,177.04 : x
  2. Step 2: Convert to fraction form
    28,113.94/38,797.28 = 16,177.04/x
  3. Step 3: Cross multiply
    28,113.94x = 38,797.28 × 16,177.04
  4. Step 4: Simplify right side
    28,113.94x = 627,625,069.57
  5. Step 5: Solve for x
    x = 627,625,069.57/28,113.94
  6. Step 6: Final answer
    x = 22,324.34

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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.