Home / 27,638.66-41,442.60-18,884.18

Finding the Fourth Proportional to 27,638.66, 41,442.60 and 18,884.18

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Solution

The fourth proportional to 27,638.66, 41,442.60 and 18,884.18 is: 28,315.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.66 : 41,442.60 = 18,884.18 : x
  2. Step 2: Convert to fraction form
    27,638.66/41,442.60 = 18,884.18/x
  3. Step 3: Cross multiply
    27,638.66x = 41,442.60 × 18,884.18
  4. Step 4: Simplify right side
    27,638.66x = 782,609,518.07
  5. Step 5: Solve for x
    x = 782,609,518.07/27,638.66
  6. Step 6: Final answer
    x = 28,315.75

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1.5x scale

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.