Home / 26,485.85-39,728.71-6,764.41

Finding the Fourth Proportional to 26,485.85, 39,728.71 and 6,764.41

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Solution

The fourth proportional to 26,485.85, 39,728.71 and 6,764.41 is: 10,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.85 : 39,728.71 = 6,764.41 : x
  2. Step 2: Convert to fraction form
    26,485.85/39,728.71 = 6,764.41/x
  3. Step 3: Cross multiply
    26,485.85x = 39,728.71 × 6,764.41
  4. Step 4: Simplify right side
    26,485.85x = 268,741,341.33
  5. Step 5: Solve for x
    x = 268,741,341.33/26,485.85
  6. Step 6: Final answer
    x = 10,146.60

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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.