Home / 27,612.72-41,389.29-13,556.40

Finding the Fourth Proportional to 27,612.72, 41,389.29 and 13,556.40

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Solution

The fourth proportional to 27,612.72, 41,389.29 and 13,556.40 is: 20,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.72 : 41,389.29 = 13,556.40 : x
  2. Step 2: Convert to fraction form
    27,612.72/41,389.29 = 13,556.40/x
  3. Step 3: Cross multiply
    27,612.72x = 41,389.29 × 13,556.40
  4. Step 4: Simplify right side
    27,612.72x = 561,089,770.96
  5. Step 5: Solve for x
    x = 561,089,770.96/27,612.72
  6. Step 6: Final answer
    x = 20,319.97

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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.