Home / 28,037.94-38,684.52-16,704.72

Finding the Fourth Proportional to 28,037.94, 38,684.52 and 16,704.72

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Solution

The fourth proportional to 28,037.94, 38,684.52 and 16,704.72 is: 23,047.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.94 : 38,684.52 = 16,704.72 : x
  2. Step 2: Convert to fraction form
    28,037.94/38,684.52 = 16,704.72/x
  3. Step 3: Cross multiply
    28,037.94x = 38,684.52 × 16,704.72
  4. Step 4: Simplify right side
    28,037.94x = 646,214,074.93
  5. Step 5: Solve for x
    x = 646,214,074.93/28,037.94
  6. Step 6: Final answer
    x = 23,047.84

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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.