Home / 28,069.22-38,734.56-16,732.88

Finding the Fourth Proportional to 28,069.22, 38,734.56 and 16,732.88

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Solution

The fourth proportional to 28,069.22, 38,734.56 and 16,732.88 is: 23,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.22 : 38,734.56 = 16,732.88 : x
  2. Step 2: Convert to fraction form
    28,069.22/38,734.56 = 16,732.88/x
  3. Step 3: Cross multiply
    28,069.22x = 38,734.56 × 16,732.88
  4. Step 4: Simplify right side
    28,069.22x = 648,140,744.33
  5. Step 5: Solve for x
    x = 648,140,744.33/28,069.22
  6. Step 6: Final answer
    x = 23,090.80

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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.