Home / 26,911.20-40,378.80-9,393.60

Finding the Fourth Proportional to 26,911.20, 40,378.80 and 9,393.60

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Solution

The fourth proportional to 26,911.20, 40,378.80 and 9,393.60 is: 14,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.20 : 40,378.80 = 9,393.60 : x
  2. Step 2: Convert to fraction form
    26,911.20/40,378.80 = 9,393.60/x
  3. Step 3: Cross multiply
    26,911.20x = 40,378.80 × 9,393.60
  4. Step 4: Simplify right side
    26,911.20x = 379,302,295.68
  5. Step 5: Solve for x
    x = 379,302,295.68/26,911.20
  6. Step 6: Final answer
    x = 14,094.59

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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.