Home / 26,376.32-39,511.48-12,316.95

Finding the Fourth Proportional to 26,376.32, 39,511.48 and 12,316.95

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Solution

The fourth proportional to 26,376.32, 39,511.48 and 12,316.95 is: 18,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.32 : 39,511.48 = 12,316.95 : x
  2. Step 2: Convert to fraction form
    26,376.32/39,511.48 = 12,316.95/x
  3. Step 3: Cross multiply
    26,376.32x = 39,511.48 × 12,316.95
  4. Step 4: Simplify right side
    26,376.32x = 486,660,923.59
  5. Step 5: Solve for x
    x = 486,660,923.59/26,376.32
  6. Step 6: Final answer
    x = 18,450.68

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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.