Home / 38,327.40-57,416.38-21,636.96

Finding the Fourth Proportional to 38,327.40, 57,416.38 and 21,636.96

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Solution

The fourth proportional to 38,327.40, 57,416.38 and 21,636.96 is: 32,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327.40 : 57,416.38 = 21,636.96 : x
  2. Step 2: Convert to fraction form
    38,327.40/57,416.38 = 21,636.96/x
  3. Step 3: Cross multiply
    38,327.40x = 57,416.38 × 21,636.96
  4. Step 4: Simplify right side
    38,327.40x = 1,242,315,917.40
  5. Step 5: Solve for x
    x = 1,242,315,917.40/38,327.40
  6. Step 6: Final answer
    x = 32,413.26

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1.5x scale

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.