Home / 28,622.97-39,492.23-16,520.49

Finding the Fourth Proportional to 28,622.97, 39,492.23 and 16,520.49

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Solution

The fourth proportional to 28,622.97, 39,492.23 and 16,520.49 is: 22,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.97 : 39,492.23 = 16,520.49 : x
  2. Step 2: Convert to fraction form
    28,622.97/39,492.23 = 16,520.49/x
  3. Step 3: Cross multiply
    28,622.97x = 39,492.23 × 16,520.49
  4. Step 4: Simplify right side
    28,622.97x = 652,430,908.19
  5. Step 5: Solve for x
    x = 652,430,908.19/28,622.97
  6. Step 6: Final answer
    x = 22,793.96

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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.