Home / 28,008.62-42,012.96-26,297.90

Finding the Fourth Proportional to 28,008.62, 42,012.96 and 26,297.90

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Solution

The fourth proportional to 28,008.62, 42,012.96 and 26,297.90 is: 39,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.62 : 42,012.96 = 26,297.90 : x
  2. Step 2: Convert to fraction form
    28,008.62/42,012.96 = 26,297.90/x
  3. Step 3: Cross multiply
    28,008.62x = 42,012.96 × 26,297.90
  4. Step 4: Simplify right side
    28,008.62x = 1,104,852,620.78
  5. Step 5: Solve for x
    x = 1,104,852,620.78/28,008.62
  6. Step 6: Final answer
    x = 39,446.88

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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.