Home / 38,277.96-57,428.61-19,571.13

Finding the Fourth Proportional to 38,277.96, 57,428.61 and 19,571.13

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Solution

The fourth proportional to 38,277.96, 57,428.61 and 19,571.13 is: 29,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,277.96 : 57,428.61 = 19,571.13 : x
  2. Step 2: Convert to fraction form
    38,277.96/57,428.61 = 19,571.13/x
  3. Step 3: Cross multiply
    38,277.96x = 57,428.61 × 19,571.13
  4. Step 4: Simplify right side
    38,277.96x = 1,123,942,792.03
  5. Step 5: Solve for x
    x = 1,123,942,792.03/38,277.96
  6. Step 6: Final answer
    x = 29,362.67

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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.