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Finding the Fourth Proportional to 25.56, 35.06 and 25.56

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Solution

The fourth proportional to 25.56, 35.06 and 25.56 is: 35.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25.56 : 35.06 = 25.56 : x
  2. Step 2: Convert to fraction form
    25.56/35.06 = 25.56/x
  3. Step 3: Cross multiply
    25.56x = 35.06 × 25.56
  4. Step 4: Simplify right side
    25.56x = 896.01
  5. Step 5: Solve for x
    x = 896.01/25.56
  6. Step 6: Final answer
    x = 35.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.