Home / 26,041.41-39,063.94-12,890.25

Finding the Fourth Proportional to 26,041.41, 39,063.94 and 12,890.25

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Solution

The fourth proportional to 26,041.41, 39,063.94 and 12,890.25 is: 19,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,041.41 : 39,063.94 = 12,890.25 : x
  2. Step 2: Convert to fraction form
    26,041.41/39,063.94 = 12,890.25/x
  3. Step 3: Cross multiply
    26,041.41x = 39,063.94 × 12,890.25
  4. Step 4: Simplify right side
    26,041.41x = 503,543,920.36
  5. Step 5: Solve for x
    x = 503,543,920.36/26,041.41
  6. Step 6: Final answer
    x = 19,336.28

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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.