Home / 26,630.56-36,782.88-19,946.05

Finding the Fourth Proportional to 26,630.56, 36,782.88 and 19,946.05

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Solution

The fourth proportional to 26,630.56, 36,782.88 and 19,946.05 is: 27,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.56 : 36,782.88 = 19,946.05 : x
  2. Step 2: Convert to fraction form
    26,630.56/36,782.88 = 19,946.05/x
  3. Step 3: Cross multiply
    26,630.56x = 36,782.88 × 19,946.05
  4. Step 4: Simplify right side
    26,630.56x = 733,673,163.62
  5. Step 5: Solve for x
    x = 733,673,163.62/26,630.56
  6. Step 6: Final answer
    x = 27,550.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.