Home / 28,669.66-43,004.44-18,806.59

Finding the Fourth Proportional to 28,669.66, 43,004.44 and 18,806.59

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Solution

The fourth proportional to 28,669.66, 43,004.44 and 18,806.59 is: 28,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.66 : 43,004.44 = 18,806.59 : x
  2. Step 2: Convert to fraction form
    28,669.66/43,004.44 = 18,806.59/x
  3. Step 3: Cross multiply
    28,669.66x = 43,004.44 × 18,806.59
  4. Step 4: Simplify right side
    28,669.66x = 808,766,871.26
  5. Step 5: Solve for x
    x = 808,766,871.26/28,669.66
  6. Step 6: Final answer
    x = 28,209.85

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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.