Home / 26,038.56-39,063.60-12,180

Finding the Fourth Proportional to 26,038.56, 39,063.60 and 12,180

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Solution

The fourth proportional to 26,038.56, 39,063.60 and 12,180 is: 18,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,038.56 : 39,063.60 = 12,180 : x
  2. Step 2: Convert to fraction form
    26,038.56/39,063.60 = 12,180/x
  3. Step 3: Cross multiply
    26,038.56x = 39,063.60 × 12,180
  4. Step 4: Simplify right side
    26,038.56x = 475,794,648
  5. Step 5: Solve for x
    x = 475,794,648/26,038.56
  6. Step 6: Final answer
    x = 18,272.69

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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.