Home / 38,023.68-57,021-15,220.56

Finding the Fourth Proportional to 38,023.68, 57,021 and 15,220.56

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Solution

The fourth proportional to 38,023.68, 57,021 and 15,220.56 is: 22,825.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,023.68 : 57,021 = 15,220.56 : x
  2. Step 2: Convert to fraction form
    38,023.68/57,021 = 15,220.56/x
  3. Step 3: Cross multiply
    38,023.68x = 57,021 × 15,220.56
  4. Step 4: Simplify right side
    38,023.68x = 867,891,551.76
  5. Step 5: Solve for x
    x = 867,891,551.76/38,023.68
  6. Step 6: Final answer
    x = 22,825.03

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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.