Home / 26,729.40-40,247.73-20,585.40

Finding the Fourth Proportional to 26,729.40, 40,247.73 and 20,585.40

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Solution

The fourth proportional to 26,729.40, 40,247.73 and 20,585.40 is: 30,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,729.40 : 40,247.73 = 20,585.40 : x
  2. Step 2: Convert to fraction form
    26,729.40/40,247.73 = 20,585.40/x
  3. Step 3: Cross multiply
    26,729.40x = 40,247.73 × 20,585.40
  4. Step 4: Simplify right side
    26,729.40x = 828,515,621.14
  5. Step 5: Solve for x
    x = 828,515,621.14/26,729.40
  6. Step 6: Final answer
    x = 30,996.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.