Home / 19,327.68-28,984.80-5,473.44

Finding the Fourth Proportional to 19,327.68, 28,984.80 and 5,473.44

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Solution

The fourth proportional to 19,327.68, 28,984.80 and 5,473.44 is: 8,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.68 : 28,984.80 = 5,473.44 : x
  2. Step 2: Convert to fraction form
    19,327.68/28,984.80 = 5,473.44/x
  3. Step 3: Cross multiply
    19,327.68x = 28,984.80 × 5,473.44
  4. Step 4: Simplify right side
    19,327.68x = 158,646,563.71
  5. Step 5: Solve for x
    x = 158,646,563.71/19,327.68
  6. Step 6: Final answer
    x = 8,208.26

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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.