Home / 27,409.82-37,788.12-20,504.60

Finding the Fourth Proportional to 27,409.82, 37,788.12 and 20,504.60

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Solution

The fourth proportional to 27,409.82, 37,788.12 and 20,504.60 is: 28,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,409.82 : 37,788.12 = 20,504.60 : x
  2. Step 2: Convert to fraction form
    27,409.82/37,788.12 = 20,504.60/x
  3. Step 3: Cross multiply
    27,409.82x = 37,788.12 × 20,504.60
  4. Step 4: Simplify right side
    27,409.82x = 774,830,096.41
  5. Step 5: Solve for x
    x = 774,830,096.41/27,409.82
  6. Step 6: Final answer
    x = 28,268.34

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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.