Home / 28,290.99-39,042.62-16,962.33

Finding the Fourth Proportional to 28,290.99, 39,042.62 and 16,962.33

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Solution

The fourth proportional to 28,290.99, 39,042.62 and 16,962.33 is: 23,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.99 : 39,042.62 = 16,962.33 : x
  2. Step 2: Convert to fraction form
    28,290.99/39,042.62 = 16,962.33/x
  3. Step 3: Cross multiply
    28,290.99x = 39,042.62 × 16,962.33
  4. Step 4: Simplify right side
    28,290.99x = 662,253,804.50
  5. Step 5: Solve for x
    x = 662,253,804.50/28,290.99
  6. Step 6: Final answer
    x = 23,408.65

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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.