Home / 27,861.60-41,792.40-18,514.20

Finding the Fourth Proportional to 27,861.60, 41,792.40 and 18,514.20

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Solution

The fourth proportional to 27,861.60, 41,792.40 and 18,514.20 is: 27,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.60 : 41,792.40 = 18,514.20 : x
  2. Step 2: Convert to fraction form
    27,861.60/41,792.40 = 18,514.20/x
  3. Step 3: Cross multiply
    27,861.60x = 41,792.40 × 18,514.20
  4. Step 4: Simplify right side
    27,861.60x = 773,752,852.08
  5. Step 5: Solve for x
    x = 773,752,852.08/27,861.60
  6. Step 6: Final answer
    x = 27,771.30

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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.