Home / 28,187.28-42,277.68-9,466.56

Finding the Fourth Proportional to 28,187.28, 42,277.68 and 9,466.56

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Solution

The fourth proportional to 28,187.28, 42,277.68 and 9,466.56 is: 14,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.28 : 42,277.68 = 9,466.56 : x
  2. Step 2: Convert to fraction form
    28,187.28/42,277.68 = 9,466.56/x
  3. Step 3: Cross multiply
    28,187.28x = 42,277.68 × 9,466.56
  4. Step 4: Simplify right side
    28,187.28x = 400,224,194.38
  5. Step 5: Solve for x
    x = 400,224,194.38/28,187.28
  6. Step 6: Final answer
    x = 14,198.75

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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.