Home / 28,220.03-42,326.58-16,380.26

Finding the Fourth Proportional to 28,220.03, 42,326.58 and 16,380.26

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Solution

The fourth proportional to 28,220.03, 42,326.58 and 16,380.26 is: 24,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,220.03 : 42,326.58 = 16,380.26 : x
  2. Step 2: Convert to fraction form
    28,220.03/42,326.58 = 16,380.26/x
  3. Step 3: Cross multiply
    28,220.03x = 42,326.58 × 16,380.26
  4. Step 4: Simplify right side
    28,220.03x = 693,320,173.68
  5. Step 5: Solve for x
    x = 693,320,173.68/28,220.03
  6. Step 6: Final answer
    x = 24,568.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.