Home / 28,999.19-43,504.25-9,272.45

Finding the Fourth Proportional to 28,999.19, 43,504.25 and 9,272.45

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Solution

The fourth proportional to 28,999.19, 43,504.25 and 9,272.45 is: 13,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.19 : 43,504.25 = 9,272.45 : x
  2. Step 2: Convert to fraction form
    28,999.19/43,504.25 = 9,272.45/x
  3. Step 3: Cross multiply
    28,999.19x = 43,504.25 × 9,272.45
  4. Step 4: Simplify right side
    28,999.19x = 403,390,719.03
  5. Step 5: Solve for x
    x = 403,390,719.03/28,999.19
  6. Step 6: Final answer
    x = 13,910.42

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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.