Home / 28,615.25-39,491.48-16,042.43

Finding the Fourth Proportional to 28,615.25, 39,491.48 and 16,042.43

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Solution

The fourth proportional to 28,615.25, 39,491.48 and 16,042.43 is: 22,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615.25 : 39,491.48 = 16,042.43 : x
  2. Step 2: Convert to fraction form
    28,615.25/39,491.48 = 16,042.43/x
  3. Step 3: Cross multiply
    28,615.25x = 39,491.48 × 16,042.43
  4. Step 4: Simplify right side
    28,615.25x = 633,539,303.50
  5. Step 5: Solve for x
    x = 633,539,303.50/28,615.25
  6. Step 6: Final answer
    x = 22,139.92

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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.