Home / 38,582.39-57,878.24-13,617.33

Finding the Fourth Proportional to 38,582.39, 57,878.24 and 13,617.33

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Solution

The fourth proportional to 38,582.39, 57,878.24 and 13,617.33 is: 20,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,582.39 : 57,878.24 = 13,617.33 : x
  2. Step 2: Convert to fraction form
    38,582.39/57,878.24 = 13,617.33/x
  3. Step 3: Cross multiply
    38,582.39x = 57,878.24 × 13,617.33
  4. Step 4: Simplify right side
    38,582.39x = 788,147,025.81
  5. Step 5: Solve for x
    x = 788,147,025.81/38,582.39
  6. Step 6: Final answer
    x = 20,427.64

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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.