Home / 28,622.40-39,500.64-16,049.04

Finding the Fourth Proportional to 28,622.40, 39,500.64 and 16,049.04

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Solution

The fourth proportional to 28,622.40, 39,500.64 and 16,049.04 is: 22,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.40 : 39,500.64 = 16,049.04 : x
  2. Step 2: Convert to fraction form
    28,622.40/39,500.64 = 16,049.04/x
  3. Step 3: Cross multiply
    28,622.40x = 39,500.64 × 16,049.04
  4. Step 4: Simplify right side
    28,622.40x = 633,947,351.39
  5. Step 5: Solve for x
    x = 633,947,351.39/28,622.40
  6. Step 6: Final answer
    x = 22,148.64

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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.