Home / 19,317.60-28,976.40-5,466.72

Finding the Fourth Proportional to 19,317.60, 28,976.40 and 5,466.72

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Solution

The fourth proportional to 19,317.60, 28,976.40 and 5,466.72 is: 8,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.60 : 28,976.40 = 5,466.72 : x
  2. Step 2: Convert to fraction form
    19,317.60/28,976.40 = 5,466.72/x
  3. Step 3: Cross multiply
    19,317.60x = 28,976.40 × 5,466.72
  4. Step 4: Simplify right side
    19,317.60x = 158,405,865.41
  5. Step 5: Solve for x
    x = 158,405,865.41/19,317.60
  6. Step 6: Final answer
    x = 8,200.08

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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.