Home / 28,065.26-42,099.98-8,073.96

Finding the Fourth Proportional to 28,065.26, 42,099.98 and 8,073.96

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Solution

The fourth proportional to 28,065.26, 42,099.98 and 8,073.96 is: 12,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065.26 : 42,099.98 = 8,073.96 : x
  2. Step 2: Convert to fraction form
    28,065.26/42,099.98 = 8,073.96/x
  3. Step 3: Cross multiply
    28,065.26x = 42,099.98 × 8,073.96
  4. Step 4: Simplify right side
    28,065.26x = 339,913,554.52
  5. Step 5: Solve for x
    x = 339,913,554.52/28,065.26
  6. Step 6: Final answer
    x = 12,111.54

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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.