Home / 28,027.67-42,046.50-9,308.84

Finding the Fourth Proportional to 28,027.67, 42,046.50 and 9,308.84

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Solution

The fourth proportional to 28,027.67, 42,046.50 and 9,308.84 is: 13,964.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.67 : 42,046.50 = 9,308.84 : x
  2. Step 2: Convert to fraction form
    28,027.67/42,046.50 = 9,308.84/x
  3. Step 3: Cross multiply
    28,027.67x = 42,046.50 × 9,308.84
  4. Step 4: Simplify right side
    28,027.67x = 391,404,141.06
  5. Step 5: Solve for x
    x = 391,404,141.06/28,027.67
  6. Step 6: Final answer
    x = 13,964.92

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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.