Home / 28,027.70-38,678.18-15,452.46

Finding the Fourth Proportional to 28,027.70, 38,678.18 and 15,452.46

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Solution

The fourth proportional to 28,027.70, 38,678.18 and 15,452.46 is: 21,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.70 : 38,678.18 = 15,452.46 : x
  2. Step 2: Convert to fraction form
    28,027.70/38,678.18 = 15,452.46/x
  3. Step 3: Cross multiply
    28,027.70x = 38,678.18 × 15,452.46
  4. Step 4: Simplify right side
    28,027.70x = 597,673,029.32
  5. Step 5: Solve for x
    x = 597,673,029.32/28,027.70
  6. Step 6: Final answer
    x = 21,324.37

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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.