Home / 28,893.52-39,872.15-16,956.60

Finding the Fourth Proportional to 28,893.52, 39,872.15 and 16,956.60

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Solution

The fourth proportional to 28,893.52, 39,872.15 and 16,956.60 is: 23,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.52 : 39,872.15 = 16,956.60 : x
  2. Step 2: Convert to fraction form
    28,893.52/39,872.15 = 16,956.60/x
  3. Step 3: Cross multiply
    28,893.52x = 39,872.15 × 16,956.60
  4. Step 4: Simplify right side
    28,893.52x = 676,096,247.64
  5. Step 5: Solve for x
    x = 676,096,247.64/28,893.52
  6. Step 6: Final answer
    x = 23,399.58

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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.