Home / 26,895.54-40,287.81-15,768.45

Finding the Fourth Proportional to 26,895.54, 40,287.81 and 15,768.45

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Solution

The fourth proportional to 26,895.54, 40,287.81 and 15,768.45 is: 23,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.54 : 40,287.81 = 15,768.45 : x
  2. Step 2: Convert to fraction form
    26,895.54/40,287.81 = 15,768.45/x
  3. Step 3: Cross multiply
    26,895.54x = 40,287.81 × 15,768.45
  4. Step 4: Simplify right side
    26,895.54x = 635,276,317.59
  5. Step 5: Solve for x
    x = 635,276,317.59/26,895.54
  6. Step 6: Final answer
    x = 23,620.14

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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.