Home / 28,923.12-43,373.73-15,768.33

Finding the Fourth Proportional to 28,923.12, 43,373.73 and 15,768.33

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Solution

The fourth proportional to 28,923.12, 43,373.73 and 15,768.33 is: 23,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.12 : 43,373.73 = 15,768.33 : x
  2. Step 2: Convert to fraction form
    28,923.12/43,373.73 = 15,768.33/x
  3. Step 3: Cross multiply
    28,923.12x = 43,373.73 × 15,768.33
  4. Step 4: Simplify right side
    28,923.12x = 683,931,287.97
  5. Step 5: Solve for x
    x = 683,931,287.97/28,923.12
  6. Step 6: Final answer
    x = 23,646.53

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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.