Home / 18,824.34-28,236.35-4,784.41

Finding the Fourth Proportional to 18,824.34, 28,236.35 and 4,784.41

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Solution

The fourth proportional to 18,824.34, 28,236.35 and 4,784.41 is: 7,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.34 : 28,236.35 = 4,784.41 : x
  2. Step 2: Convert to fraction form
    18,824.34/28,236.35 = 4,784.41/x
  3. Step 3: Cross multiply
    18,824.34x = 28,236.35 × 4,784.41
  4. Step 4: Simplify right side
    18,824.34x = 135,094,110.20
  5. Step 5: Solve for x
    x = 135,094,110.20/18,824.34
  6. Step 6: Final answer
    x = 7,176.57

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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.