Home / 28,263.96-42,396.12-9,791.64

Finding the Fourth Proportional to 28,263.96, 42,396.12 and 9,791.64

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Solution

The fourth proportional to 28,263.96, 42,396.12 and 9,791.64 is: 14,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.96 : 42,396.12 = 9,791.64 : x
  2. Step 2: Convert to fraction form
    28,263.96/42,396.12 = 9,791.64/x
  3. Step 3: Cross multiply
    28,263.96x = 42,396.12 × 9,791.64
  4. Step 4: Simplify right side
    28,263.96x = 415,127,544.44
  5. Step 5: Solve for x
    x = 415,127,544.44/28,263.96
  6. Step 6: Final answer
    x = 14,687.52

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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.