Home / 26,425.78-39,638.79-6,704.34

Finding the Fourth Proportional to 26,425.78, 39,638.79 and 6,704.34

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Solution

The fourth proportional to 26,425.78, 39,638.79 and 6,704.34 is: 10,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,425.78 : 39,638.79 = 6,704.34 : x
  2. Step 2: Convert to fraction form
    26,425.78/39,638.79 = 6,704.34/x
  3. Step 3: Cross multiply
    26,425.78x = 39,638.79 × 6,704.34
  4. Step 4: Simplify right side
    26,425.78x = 265,751,925.35
  5. Step 5: Solve for x
    x = 265,751,925.35/26,425.78
  6. Step 6: Final answer
    x = 10,056.54

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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.