Home / 28,779.19-43,166.67-9,063.38

Finding the Fourth Proportional to 28,779.19, 43,166.67 and 9,063.38

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Solution

The fourth proportional to 28,779.19, 43,166.67 and 9,063.38 is: 13,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779.19 : 43,166.67 = 9,063.38 : x
  2. Step 2: Convert to fraction form
    28,779.19/43,166.67 = 9,063.38/x
  3. Step 3: Cross multiply
    28,779.19x = 43,166.67 × 9,063.38
  4. Step 4: Simplify right side
    28,779.19x = 391,235,997.75
  5. Step 5: Solve for x
    x = 391,235,997.75/28,779.19
  6. Step 6: Final answer
    x = 13,594.41

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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.