Home / 26,638.98-39,960.45-6,917.64

Finding the Fourth Proportional to 26,638.98, 39,960.45 and 6,917.64

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Solution

The fourth proportional to 26,638.98, 39,960.45 and 6,917.64 is: 10,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.98 : 39,960.45 = 6,917.64 : x
  2. Step 2: Convert to fraction form
    26,638.98/39,960.45 = 6,917.64/x
  3. Step 3: Cross multiply
    26,638.98x = 39,960.45 × 6,917.64
  4. Step 4: Simplify right side
    26,638.98x = 276,432,007.34
  5. Step 5: Solve for x
    x = 276,432,007.34/26,638.98
  6. Step 6: Final answer
    x = 10,376.97

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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.