Home / 27,271.20-40,906.80-9,741.60

Finding the Fourth Proportional to 27,271.20, 40,906.80 and 9,741.60

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Solution

The fourth proportional to 27,271.20, 40,906.80 and 9,741.60 is: 14,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.20 : 40,906.80 = 9,741.60 : x
  2. Step 2: Convert to fraction form
    27,271.20/40,906.80 = 9,741.60/x
  3. Step 3: Cross multiply
    27,271.20x = 40,906.80 × 9,741.60
  4. Step 4: Simplify right side
    27,271.20x = 398,497,682.88
  5. Step 5: Solve for x
    x = 398,497,682.88/27,271.20
  6. Step 6: Final answer
    x = 14,612.40

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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.