Home / 26,638.56-39,870-23,722.56

Finding the Fourth Proportional to 26,638.56, 39,870 and 23,722.56

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Solution

The fourth proportional to 26,638.56, 39,870 and 23,722.56 is: 35,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.56 : 39,870 = 23,722.56 : x
  2. Step 2: Convert to fraction form
    26,638.56/39,870 = 23,722.56/x
  3. Step 3: Cross multiply
    26,638.56x = 39,870 × 23,722.56
  4. Step 4: Simplify right side
    26,638.56x = 945,818,467.20
  5. Step 5: Solve for x
    x = 945,818,467.20/26,638.56
  6. Step 6: Final answer
    x = 35,505.62

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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.