Home / 28,122.22-42,162.46-17,026.27

Finding the Fourth Proportional to 28,122.22, 42,162.46 and 17,026.27

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Solution

The fourth proportional to 28,122.22, 42,162.46 and 17,026.27 is: 25,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.22 : 42,162.46 = 17,026.27 : x
  2. Step 2: Convert to fraction form
    28,122.22/42,162.46 = 17,026.27/x
  3. Step 3: Cross multiply
    28,122.22x = 42,162.46 × 17,026.27
  4. Step 4: Simplify right side
    28,122.22x = 717,869,279.85
  5. Step 5: Solve for x
    x = 717,869,279.85/28,122.22
  6. Step 6: Final answer
    x = 25,526.76

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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.