Home / 28,742.93-43,114.31-9,022.96

Finding the Fourth Proportional to 28,742.93, 43,114.31 and 9,022.96

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Solution

The fourth proportional to 28,742.93, 43,114.31 and 9,022.96 is: 13,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.93 : 43,114.31 = 9,022.96 : x
  2. Step 2: Convert to fraction form
    28,742.93/43,114.31 = 9,022.96/x
  3. Step 3: Cross multiply
    28,742.93x = 43,114.31 × 9,022.96
  4. Step 4: Simplify right side
    28,742.93x = 389,018,694.56
  5. Step 5: Solve for x
    x = 389,018,694.56/28,742.93
  6. Step 6: Final answer
    x = 13,534.41

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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.