Home / 28,923.96-43,385.32-9,202.56

Finding the Fourth Proportional to 28,923.96, 43,385.32 and 9,202.56

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Solution

The fourth proportional to 28,923.96, 43,385.32 and 9,202.56 is: 13,803.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.96 : 43,385.32 = 9,202.56 : x
  2. Step 2: Convert to fraction form
    28,923.96/43,385.32 = 9,202.56/x
  3. Step 3: Cross multiply
    28,923.96x = 43,385.32 × 9,202.56
  4. Step 4: Simplify right side
    28,923.96x = 399,256,010.42
  5. Step 5: Solve for x
    x = 399,256,010.42/28,923.96
  6. Step 6: Final answer
    x = 13,803.64

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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.