Home / 26,262.50-39,371.66-12,215.39

Finding the Fourth Proportional to 26,262.50, 39,371.66 and 12,215.39

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Solution

The fourth proportional to 26,262.50, 39,371.66 and 12,215.39 is: 18,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,262.50 : 39,371.66 = 12,215.39 : x
  2. Step 2: Convert to fraction form
    26,262.50/39,371.66 = 12,215.39/x
  3. Step 3: Cross multiply
    26,262.50x = 39,371.66 × 12,215.39
  4. Step 4: Simplify right side
    26,262.50x = 480,940,120.77
  5. Step 5: Solve for x
    x = 480,940,120.77/26,262.50
  6. Step 6: Final answer
    x = 18,312.81

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1.5x scale

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.