Home / 28,939.65-43,290.66-23,107.65

Finding the Fourth Proportional to 28,939.65, 43,290.66 and 23,107.65

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Solution

The fourth proportional to 28,939.65, 43,290.66 and 23,107.65 is: 34,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.65 : 43,290.66 = 23,107.65 : x
  2. Step 2: Convert to fraction form
    28,939.65/43,290.66 = 23,107.65/x
  3. Step 3: Cross multiply
    28,939.65x = 43,290.66 × 23,107.65
  4. Step 4: Simplify right side
    28,939.65x = 1,000,345,419.55
  5. Step 5: Solve for x
    x = 1,000,345,419.55/28,939.65
  6. Step 6: Final answer
    x = 34,566.60

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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.