Home / 26,758.30-40,125.30-10,112.80

Finding the Fourth Proportional to 26,758.30, 40,125.30 and 10,112.80

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Solution

The fourth proportional to 26,758.30, 40,125.30 and 10,112.80 is: 15,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.30 : 40,125.30 = 10,112.80 : x
  2. Step 2: Convert to fraction form
    26,758.30/40,125.30 = 10,112.80/x
  3. Step 3: Cross multiply
    26,758.30x = 40,125.30 × 10,112.80
  4. Step 4: Simplify right side
    26,758.30x = 405,779,133.84
  5. Step 5: Solve for x
    x = 405,779,133.84/26,758.30
  6. Step 6: Final answer
    x = 15,164.61

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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.