Home / 38,604.05-57,866.42-21,928.47

Finding the Fourth Proportional to 38,604.05, 57,866.42 and 21,928.47

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Solution

The fourth proportional to 38,604.05, 57,866.42 and 21,928.47 is: 32,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.05 : 57,866.42 = 21,928.47 : x
  2. Step 2: Convert to fraction form
    38,604.05/57,866.42 = 21,928.47/x
  3. Step 3: Cross multiply
    38,604.05x = 57,866.42 × 21,928.47
  4. Step 4: Simplify right side
    38,604.05x = 1,268,921,945.34
  5. Step 5: Solve for x
    x = 1,268,921,945.34/38,604.05
  6. Step 6: Final answer
    x = 32,870.18

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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.