Home / 26,450.73-36,502-15,120.46

Finding the Fourth Proportional to 26,450.73, 36,502 and 15,120.46

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Solution

The fourth proportional to 26,450.73, 36,502 and 15,120.46 is: 20,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.73 : 36,502 = 15,120.46 : x
  2. Step 2: Convert to fraction form
    26,450.73/36,502 = 15,120.46/x
  3. Step 3: Cross multiply
    26,450.73x = 36,502 × 15,120.46
  4. Step 4: Simplify right side
    26,450.73x = 551,927,030.92
  5. Step 5: Solve for x
    x = 551,927,030.92/26,450.73
  6. Step 6: Final answer
    x = 20,866.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.