Home / 28,464.75-42,716.57-9,996.75

Finding the Fourth Proportional to 28,464.75, 42,716.57 and 9,996.75

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Solution

The fourth proportional to 28,464.75, 42,716.57 and 9,996.75 is: 15,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.75 : 42,716.57 = 9,996.75 : x
  2. Step 2: Convert to fraction form
    28,464.75/42,716.57 = 9,996.75/x
  3. Step 3: Cross multiply
    28,464.75x = 42,716.57 × 9,996.75
  4. Step 4: Simplify right side
    28,464.75x = 427,026,821.16
  5. Step 5: Solve for x
    x = 427,026,821.16/28,464.75
  6. Step 6: Final answer
    x = 15,001.95

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1.5x scale

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.