Home / 28,928.52-39,922.20-16,353

Finding the Fourth Proportional to 28,928.52, 39,922.20 and 16,353

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Solution

The fourth proportional to 28,928.52, 39,922.20 and 16,353 is: 22,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.52 : 39,922.20 = 16,353 : x
  2. Step 2: Convert to fraction form
    28,928.52/39,922.20 = 16,353/x
  3. Step 3: Cross multiply
    28,928.52x = 39,922.20 × 16,353
  4. Step 4: Simplify right side
    28,928.52x = 652,847,736.60
  5. Step 5: Solve for x
    x = 652,847,736.60/28,928.52
  6. Step 6: Final answer
    x = 22,567.62

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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.