Home / 38,028.98-57,019.17-18,268.22

Finding the Fourth Proportional to 38,028.98, 57,019.17 and 18,268.22

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Solution

The fourth proportional to 38,028.98, 57,019.17 and 18,268.22 is: 27,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,028.98 : 57,019.17 = 18,268.22 : x
  2. Step 2: Convert to fraction form
    38,028.98/57,019.17 = 18,268.22/x
  3. Step 3: Cross multiply
    38,028.98x = 57,019.17 × 18,268.22
  4. Step 4: Simplify right side
    38,028.98x = 1,041,638,741.78
  5. Step 5: Solve for x
    x = 1,041,638,741.78/38,028.98
  6. Step 6: Final answer
    x = 27,390.66

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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.