Home / 40,907.15-61,323.78-28,433.04

Finding the Fourth Proportional to 40,907.15, 61,323.78 and 28,433.04

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Solution

The fourth proportional to 40,907.15, 61,323.78 and 28,433.04 is: 42,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,907.15 : 61,323.78 = 28,433.04 : x
  2. Step 2: Convert to fraction form
    40,907.15/61,323.78 = 28,433.04/x
  3. Step 3: Cross multiply
    40,907.15x = 61,323.78 × 28,433.04
  4. Step 4: Simplify right side
    40,907.15x = 1,743,621,489.69
  5. Step 5: Solve for x
    x = 1,743,621,489.69/40,907.15
  6. Step 6: Final answer
    x = 42,623.89

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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.