Home / 19,076.83-28,618.54-6,425.37

Finding the Fourth Proportional to 19,076.83, 28,618.54 and 6,425.37

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Solution

The fourth proportional to 19,076.83, 28,618.54 and 6,425.37 is: 9,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.83 : 28,618.54 = 6,425.37 : x
  2. Step 2: Convert to fraction form
    19,076.83/28,618.54 = 6,425.37/x
  3. Step 3: Cross multiply
    19,076.83x = 28,618.54 × 6,425.37
  4. Step 4: Simplify right side
    19,076.83x = 183,884,692.30
  5. Step 5: Solve for x
    x = 183,884,692.30/19,076.83
  6. Step 6: Final answer
    x = 9,639.17

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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.