Home / 26,817.77-37,008.28-15,489.65

Finding the Fourth Proportional to 26,817.77, 37,008.28 and 15,489.65

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Solution

The fourth proportional to 26,817.77, 37,008.28 and 15,489.65 is: 21,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,817.77 : 37,008.28 = 15,489.65 : x
  2. Step 2: Convert to fraction form
    26,817.77/37,008.28 = 15,489.65/x
  3. Step 3: Cross multiply
    26,817.77x = 37,008.28 × 15,489.65
  4. Step 4: Simplify right side
    26,817.77x = 573,245,304.30
  5. Step 5: Solve for x
    x = 573,245,304.30/26,817.77
  6. Step 6: Final answer
    x = 21,375.58

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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.