Home / 27,273.20-40,909.80-9,743.60

Finding the Fourth Proportional to 27,273.20, 40,909.80 and 9,743.60

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Solution

The fourth proportional to 27,273.20, 40,909.80 and 9,743.60 is: 14,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,273.20 : 40,909.80 = 9,743.60 : x
  2. Step 2: Convert to fraction form
    27,273.20/40,909.80 = 9,743.60/x
  3. Step 3: Cross multiply
    27,273.20x = 40,909.80 × 9,743.60
  4. Step 4: Simplify right side
    27,273.20x = 398,608,727.28
  5. Step 5: Solve for x
    x = 398,608,727.28/27,273.20
  6. Step 6: Final answer
    x = 14,615.40

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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.