Home / 19,056.20-28,584.56-5,205.20

Finding the Fourth Proportional to 19,056.20, 28,584.56 and 5,205.20

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Solution

The fourth proportional to 19,056.20, 28,584.56 and 5,205.20 is: 7,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.20 : 28,584.56 = 5,205.20 : x
  2. Step 2: Convert to fraction form
    19,056.20/28,584.56 = 5,205.20/x
  3. Step 3: Cross multiply
    19,056.20x = 28,584.56 × 5,205.20
  4. Step 4: Simplify right side
    19,056.20x = 148,788,351.71
  5. Step 5: Solve for x
    x = 148,788,351.71/19,056.20
  6. Step 6: Final answer
    x = 7,807.87

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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.