Home / 43,786.89-60,370.65-28,655.58

Finding the Fourth Proportional to 43,786.89, 60,370.65 and 28,655.58

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Solution

The fourth proportional to 43,786.89, 60,370.65 and 28,655.58 is: 39,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,786.89 : 60,370.65 = 28,655.58 : x
  2. Step 2: Convert to fraction form
    43,786.89/60,370.65 = 28,655.58/x
  3. Step 3: Cross multiply
    43,786.89x = 60,370.65 × 28,655.58
  4. Step 4: Simplify right side
    43,786.89x = 1,729,955,990.73
  5. Step 5: Solve for x
    x = 1,729,955,990.73/43,786.89
  6. Step 6: Final answer
    x = 39,508.54

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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.