Home / 28,204.47-42,311.49-9,486.33

Finding the Fourth Proportional to 28,204.47, 42,311.49 and 9,486.33

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Solution

The fourth proportional to 28,204.47, 42,311.49 and 9,486.33 is: 14,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,204.47 : 42,311.49 = 9,486.33 : x
  2. Step 2: Convert to fraction form
    28,204.47/42,311.49 = 9,486.33/x
  3. Step 3: Cross multiply
    28,204.47x = 42,311.49 × 9,486.33
  4. Step 4: Simplify right side
    28,204.47x = 401,380,756.93
  5. Step 5: Solve for x
    x = 401,380,756.93/28,204.47
  6. Step 6: Final answer
    x = 14,231.10

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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.