Home / 28,784.54-43,178.36-9,064.64

Finding the Fourth Proportional to 28,784.54, 43,178.36 and 9,064.64

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Solution

The fourth proportional to 28,784.54, 43,178.36 and 9,064.64 is: 13,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.54 : 43,178.36 = 9,064.64 : x
  2. Step 2: Convert to fraction form
    28,784.54/43,178.36 = 9,064.64/x
  3. Step 3: Cross multiply
    28,784.54x = 43,178.36 × 9,064.64
  4. Step 4: Simplify right side
    28,784.54x = 391,396,027.98
  5. Step 5: Solve for x
    x = 391,396,027.98/28,784.54
  6. Step 6: Final answer
    x = 13,597.44

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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.