Home / 26,728.50-40,074.27-19,236.66

Finding the Fourth Proportional to 26,728.50, 40,074.27 and 19,236.66

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Solution

The fourth proportional to 26,728.50, 40,074.27 and 19,236.66 is: 28,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.50 : 40,074.27 = 19,236.66 : x
  2. Step 2: Convert to fraction form
    26,728.50/40,074.27 = 19,236.66/x
  3. Step 3: Cross multiply
    26,728.50x = 40,074.27 × 19,236.66
  4. Step 4: Simplify right side
    26,728.50x = 770,895,106.74
  5. Step 5: Solve for x
    x = 770,895,106.74/26,728.50
  6. Step 6: Final answer
    x = 28,841.69

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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.