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Finding the Fourth Proportional to 19,030, 28,546.80 and 6,549.52

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Solution

The fourth proportional to 19,030, 28,546.80 and 6,549.52 is: 9,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030 : 28,546.80 = 6,549.52 : x
  2. Step 2: Convert to fraction form
    19,030/28,546.80 = 6,549.52/x
  3. Step 3: Cross multiply
    19,030x = 28,546.80 × 6,549.52
  4. Step 4: Simplify right side
    19,030x = 186,967,837.54
  5. Step 5: Solve for x
    x = 186,967,837.54/19,030
  6. Step 6: Final answer
    x = 9,824.90

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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.