Home / 28,595.97-42,923.01-13,817.33

Finding the Fourth Proportional to 28,595.97, 42,923.01 and 13,817.33

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Solution

The fourth proportional to 28,595.97, 42,923.01 and 13,817.33 is: 20,740.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.97 : 42,923.01 = 13,817.33 : x
  2. Step 2: Convert to fraction form
    28,595.97/42,923.01 = 13,817.33/x
  3. Step 3: Cross multiply
    28,595.97x = 42,923.01 × 13,817.33
  4. Step 4: Simplify right side
    28,595.97x = 593,081,179.15
  5. Step 5: Solve for x
    x = 593,081,179.15/28,595.97
  6. Step 6: Final answer
    x = 20,740.03

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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.