Home / 28,015.40-38,667.84-17,413.04

Finding the Fourth Proportional to 28,015.40, 38,667.84 and 17,413.04

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Solution

The fourth proportional to 28,015.40, 38,667.84 and 17,413.04 is: 24,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015.40 : 38,667.84 = 17,413.04 : x
  2. Step 2: Convert to fraction form
    28,015.40/38,667.84 = 17,413.04/x
  3. Step 3: Cross multiply
    28,015.40x = 38,667.84 × 17,413.04
  4. Step 4: Simplify right side
    28,015.40x = 673,324,644.63
  5. Step 5: Solve for x
    x = 673,324,644.63/28,015.40
  6. Step 6: Final answer
    x = 24,034.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.