Home / 28,905.72-43,287.81-23,877.33

Finding the Fourth Proportional to 28,905.72, 43,287.81 and 23,877.33

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Solution

The fourth proportional to 28,905.72, 43,287.81 and 23,877.33 is: 35,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.72 : 43,287.81 = 23,877.33 : x
  2. Step 2: Convert to fraction form
    28,905.72/43,287.81 = 23,877.33/x
  3. Step 3: Cross multiply
    28,905.72x = 43,287.81 × 23,877.33
  4. Step 4: Simplify right side
    28,905.72x = 1,033,597,206.79
  5. Step 5: Solve for x
    x = 1,033,597,206.79/28,905.72
  6. Step 6: Final answer
    x = 35,757.53

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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.