Home / 26,759.04-40,135.36-7,039.12

Finding the Fourth Proportional to 26,759.04, 40,135.36 and 7,039.12

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Solution

The fourth proportional to 26,759.04, 40,135.36 and 7,039.12 is: 10,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.04 : 40,135.36 = 7,039.12 : x
  2. Step 2: Convert to fraction form
    26,759.04/40,135.36 = 7,039.12/x
  3. Step 3: Cross multiply
    26,759.04x = 40,135.36 × 7,039.12
  4. Step 4: Simplify right side
    26,759.04x = 282,517,615.28
  5. Step 5: Solve for x
    x = 282,517,615.28/26,759.04
  6. Step 6: Final answer
    x = 10,557.84

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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.