Home / 28,962.08-39,958.38-16,213.39

Finding the Fourth Proportional to 28,962.08, 39,958.38 and 16,213.39

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Solution

The fourth proportional to 28,962.08, 39,958.38 and 16,213.39 is: 22,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962.08 : 39,958.38 = 16,213.39 : x
  2. Step 2: Convert to fraction form
    28,962.08/39,958.38 = 16,213.39/x
  3. Step 3: Cross multiply
    28,962.08x = 39,958.38 × 16,213.39
  4. Step 4: Simplify right side
    28,962.08x = 647,860,698.81
  5. Step 5: Solve for x
    x = 647,860,698.81/28,962.08
  6. Step 6: Final answer
    x = 22,369.27

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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.