Home / 26,990.72-40,445.06-17,100

Finding the Fourth Proportional to 26,990.72, 40,445.06 and 17,100

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Solution

The fourth proportional to 26,990.72, 40,445.06 and 17,100 is: 25,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.72 : 40,445.06 = 17,100 : x
  2. Step 2: Convert to fraction form
    26,990.72/40,445.06 = 17,100/x
  3. Step 3: Cross multiply
    26,990.72x = 40,445.06 × 17,100
  4. Step 4: Simplify right side
    26,990.72x = 691,610,440.50
  5. Step 5: Solve for x
    x = 691,610,440.50/26,990.72
  6. Step 6: Final answer
    x = 25,624.01

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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.