Home / 27,770.10-38,323.68-15,194.84

Finding the Fourth Proportional to 27,770.10, 38,323.68 and 15,194.84

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Solution

The fourth proportional to 27,770.10, 38,323.68 and 15,194.84 is: 20,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.10 : 38,323.68 = 15,194.84 : x
  2. Step 2: Convert to fraction form
    27,770.10/38,323.68 = 15,194.84/x
  3. Step 3: Cross multiply
    27,770.10x = 38,323.68 × 15,194.84
  4. Step 4: Simplify right side
    27,770.10x = 582,322,185.81
  5. Step 5: Solve for x
    x = 582,322,185.81/27,770.10
  6. Step 6: Final answer
    x = 20,969.39

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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.