Home / 28,820.72-43,232.37-8,828.75

Finding the Fourth Proportional to 28,820.72, 43,232.37 and 8,828.75

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Solution

The fourth proportional to 28,820.72, 43,232.37 and 8,828.75 is: 13,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.72 : 43,232.37 = 8,828.75 : x
  2. Step 2: Convert to fraction form
    28,820.72/43,232.37 = 8,828.75/x
  3. Step 3: Cross multiply
    28,820.72x = 43,232.37 × 8,828.75
  4. Step 4: Simplify right side
    28,820.72x = 381,687,816.91
  5. Step 5: Solve for x
    x = 381,687,816.91/28,820.72
  6. Step 6: Final answer
    x = 13,243.52

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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.