Home / 26,768.80-40,114.72-15,057.28

Finding the Fourth Proportional to 26,768.80, 40,114.72 and 15,057.28

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Solution

The fourth proportional to 26,768.80, 40,114.72 and 15,057.28 is: 22,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.80 : 40,114.72 = 15,057.28 : x
  2. Step 2: Convert to fraction form
    26,768.80/40,114.72 = 15,057.28/x
  3. Step 3: Cross multiply
    26,768.80x = 40,114.72 × 15,057.28
  4. Step 4: Simplify right side
    26,768.80x = 604,018,571.16
  5. Step 5: Solve for x
    x = 604,018,571.16/26,768.80
  6. Step 6: Final answer
    x = 22,564.28

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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.