Home / 28,878.39-39,840.31-17,546.05

Finding the Fourth Proportional to 28,878.39, 39,840.31 and 17,546.05

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Solution

The fourth proportional to 28,878.39, 39,840.31 and 17,546.05 is: 24,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878.39 : 39,840.31 = 17,546.05 : x
  2. Step 2: Convert to fraction form
    28,878.39/39,840.31 = 17,546.05/x
  3. Step 3: Cross multiply
    28,878.39x = 39,840.31 × 17,546.05
  4. Step 4: Simplify right side
    28,878.39x = 699,040,071.28
  5. Step 5: Solve for x
    x = 699,040,071.28/28,878.39
  6. Step 6: Final answer
    x = 24,206.34

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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.