Home / 43,890.36-60,574.26-28,795.78

Finding the Fourth Proportional to 43,890.36, 60,574.26 and 28,795.78

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Solution

The fourth proportional to 43,890.36, 60,574.26 and 28,795.78 is: 39,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,890.36 : 60,574.26 = 28,795.78 : x
  2. Step 2: Convert to fraction form
    43,890.36/60,574.26 = 28,795.78/x
  3. Step 3: Cross multiply
    43,890.36x = 60,574.26 × 28,795.78
  4. Step 4: Simplify right side
    43,890.36x = 1,744,283,064.62
  5. Step 5: Solve for x
    x = 1,744,283,064.62/43,890.36
  6. Step 6: Final answer
    x = 39,741.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.