Home / 18,880.86-28,319.46-5,733.35

Finding the Fourth Proportional to 18,880.86, 28,319.46 and 5,733.35

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Solution

The fourth proportional to 18,880.86, 28,319.46 and 5,733.35 is: 8,599.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.86 : 28,319.46 = 5,733.35 : x
  2. Step 2: Convert to fraction form
    18,880.86/28,319.46 = 5,733.35/x
  3. Step 3: Cross multiply
    18,880.86x = 28,319.46 × 5,733.35
  4. Step 4: Simplify right side
    18,880.86x = 162,365,319.09
  5. Step 5: Solve for x
    x = 162,365,319.09/18,880.86
  6. Step 6: Final answer
    x = 8,599.46

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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.