Home / 28,971.34-43,456.65-9,249.64

Finding the Fourth Proportional to 28,971.34, 43,456.65 and 9,249.64

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Solution

The fourth proportional to 28,971.34, 43,456.65 and 9,249.64 is: 13,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.34 : 43,456.65 = 9,249.64 : x
  2. Step 2: Convert to fraction form
    28,971.34/43,456.65 = 9,249.64/x
  3. Step 3: Cross multiply
    28,971.34x = 43,456.65 × 9,249.64
  4. Step 4: Simplify right side
    28,971.34x = 401,958,368.11
  5. Step 5: Solve for x
    x = 401,958,368.11/28,971.34
  6. Step 6: Final answer
    x = 13,874.35

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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.