Home / 28,317.44-42,475.96-9,610.64

Finding the Fourth Proportional to 28,317.44, 42,475.96 and 9,610.64

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Solution

The fourth proportional to 28,317.44, 42,475.96 and 9,610.64 is: 14,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.44 : 42,475.96 = 9,610.64 : x
  2. Step 2: Convert to fraction form
    28,317.44/42,475.96 = 9,610.64/x
  3. Step 3: Cross multiply
    28,317.44x = 42,475.96 × 9,610.64
  4. Step 4: Simplify right side
    28,317.44x = 408,221,184.54
  5. Step 5: Solve for x
    x = 408,221,184.54/28,317.44
  6. Step 6: Final answer
    x = 14,415.89

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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.