Home / 38,608.40-57,837.58-28,458.32

Finding the Fourth Proportional to 38,608.40, 57,837.58 and 28,458.32

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Solution

The fourth proportional to 38,608.40, 57,837.58 and 28,458.32 is: 42,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.40 : 57,837.58 = 28,458.32 : x
  2. Step 2: Convert to fraction form
    38,608.40/57,837.58 = 28,458.32/x
  3. Step 3: Cross multiply
    38,608.40x = 57,837.58 × 28,458.32
  4. Step 4: Simplify right side
    38,608.40x = 1,645,960,324.67
  5. Step 5: Solve for x
    x = 1,645,960,324.67/38,608.40
  6. Step 6: Final answer
    x = 42,632.19

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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.