Home / 18,268.44-27,242.25-18,102.12

Finding the Fourth Proportional to 18,268.44, 27,242.25 and 18,102.12

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Solution

The fourth proportional to 18,268.44, 27,242.25 and 18,102.12 is: 26,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.44 : 27,242.25 = 18,102.12 : x
  2. Step 2: Convert to fraction form
    18,268.44/27,242.25 = 18,102.12/x
  3. Step 3: Cross multiply
    18,268.44x = 27,242.25 × 18,102.12
  4. Step 4: Simplify right side
    18,268.44x = 493,142,478.57
  5. Step 5: Solve for x
    x = 493,142,478.57/18,268.44
  6. Step 6: Final answer
    x = 26,994.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.