Home / 26,768.22-36,942.75-15,589.50

Finding the Fourth Proportional to 26,768.22, 36,942.75 and 15,589.50

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Solution

The fourth proportional to 26,768.22, 36,942.75 and 15,589.50 is: 21,515.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.22 : 36,942.75 = 15,589.50 : x
  2. Step 2: Convert to fraction form
    26,768.22/36,942.75 = 15,589.50/x
  3. Step 3: Cross multiply
    26,768.22x = 36,942.75 × 15,589.50
  4. Step 4: Simplify right side
    26,768.22x = 575,919,001.13
  5. Step 5: Solve for x
    x = 575,919,001.13/26,768.22
  6. Step 6: Final answer
    x = 21,515.03

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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.