Home / 26,851.20-40,244.40-13,696.80

Finding the Fourth Proportional to 26,851.20, 40,244.40 and 13,696.80

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Solution

The fourth proportional to 26,851.20, 40,244.40 and 13,696.80 is: 20,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.20 : 40,244.40 = 13,696.80 : x
  2. Step 2: Convert to fraction form
    26,851.20/40,244.40 = 13,696.80/x
  3. Step 3: Cross multiply
    26,851.20x = 40,244.40 × 13,696.80
  4. Step 4: Simplify right side
    26,851.20x = 551,219,497.92
  5. Step 5: Solve for x
    x = 551,219,497.92/26,851.20
  6. Step 6: Final answer
    x = 20,528.67

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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.