Home / 28,974.96-43,436.16-10,502.64

Finding the Fourth Proportional to 28,974.96, 43,436.16 and 10,502.64

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Solution

The fourth proportional to 28,974.96, 43,436.16 and 10,502.64 is: 15,744.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.96 : 43,436.16 = 10,502.64 : x
  2. Step 2: Convert to fraction form
    28,974.96/43,436.16 = 10,502.64/x
  3. Step 3: Cross multiply
    28,974.96x = 43,436.16 × 10,502.64
  4. Step 4: Simplify right side
    28,974.96x = 456,194,351.46
  5. Step 5: Solve for x
    x = 456,194,351.46/28,974.96
  6. Step 6: Final answer
    x = 15,744.43

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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.