Home / 28,761.98-43,106.43-12,950.06

Finding the Fourth Proportional to 28,761.98, 43,106.43 and 12,950.06

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Solution

The fourth proportional to 28,761.98, 43,106.43 and 12,950.06 is: 19,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.98 : 43,106.43 = 12,950.06 : x
  2. Step 2: Convert to fraction form
    28,761.98/43,106.43 = 12,950.06/x
  3. Step 3: Cross multiply
    28,761.98x = 43,106.43 × 12,950.06
  4. Step 4: Simplify right side
    28,761.98x = 558,230,854.89
  5. Step 5: Solve for x
    x = 558,230,854.89/28,761.98
  6. Step 6: Final answer
    x = 19,408.64

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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.