Home / 28,904.98-43,312.11-17,211.82

Finding the Fourth Proportional to 28,904.98, 43,312.11 and 17,211.82

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Solution

The fourth proportional to 28,904.98, 43,312.11 and 17,211.82 is: 25,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.98 : 43,312.11 = 17,211.82 : x
  2. Step 2: Convert to fraction form
    28,904.98/43,312.11 = 17,211.82/x
  3. Step 3: Cross multiply
    28,904.98x = 43,312.11 × 17,211.82
  4. Step 4: Simplify right side
    28,904.98x = 745,480,241.14
  5. Step 5: Solve for x
    x = 745,480,241.14/28,904.98
  6. Step 6: Final answer
    x = 25,790.72

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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.