Home / 26,687.25-40,036.56-7,968.75

Finding the Fourth Proportional to 26,687.25, 40,036.56 and 7,968.75

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Solution

The fourth proportional to 26,687.25, 40,036.56 and 7,968.75 is: 11,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.25 : 40,036.56 = 7,968.75 : x
  2. Step 2: Convert to fraction form
    26,687.25/40,036.56 = 7,968.75/x
  3. Step 3: Cross multiply
    26,687.25x = 40,036.56 × 7,968.75
  4. Step 4: Simplify right side
    26,687.25x = 319,041,337.50
  5. Step 5: Solve for x
    x = 319,041,337.50/26,687.25
  6. Step 6: Final answer
    x = 11,954.82

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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.