Home / 38,021.68-57,018-15,218.56

Finding the Fourth Proportional to 38,021.68, 57,018 and 15,218.56

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Solution

The fourth proportional to 38,021.68, 57,018 and 15,218.56 is: 22,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.68 : 57,018 = 15,218.56 : x
  2. Step 2: Convert to fraction form
    38,021.68/57,018 = 15,218.56/x
  3. Step 3: Cross multiply
    38,021.68x = 57,018 × 15,218.56
  4. Step 4: Simplify right side
    38,021.68x = 867,731,854.08
  5. Step 5: Solve for x
    x = 867,731,854.08/38,021.68
  6. Step 6: Final answer
    x = 22,822.03

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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.