Home / 28,104.59-42,147.56-9,379.41

Finding the Fourth Proportional to 28,104.59, 42,147.56 and 9,379.41

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Solution

The fourth proportional to 28,104.59, 42,147.56 and 9,379.41 is: 14,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.59 : 42,147.56 = 9,379.41 : x
  2. Step 2: Convert to fraction form
    28,104.59/42,147.56 = 9,379.41/x
  3. Step 3: Cross multiply
    28,104.59x = 42,147.56 × 9,379.41
  4. Step 4: Simplify right side
    28,104.59x = 395,319,198.84
  5. Step 5: Solve for x
    x = 395,319,198.84/28,104.59
  6. Step 6: Final answer
    x = 14,066.00

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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.