Home / 27,933.60-41,986.80-27,415.20

Finding the Fourth Proportional to 27,933.60, 41,986.80 and 27,415.20

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Solution

The fourth proportional to 27,933.60, 41,986.80 and 27,415.20 is: 41,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.60 : 41,986.80 = 27,415.20 : x
  2. Step 2: Convert to fraction form
    27,933.60/41,986.80 = 27,415.20/x
  3. Step 3: Cross multiply
    27,933.60x = 41,986.80 × 27,415.20
  4. Step 4: Simplify right side
    27,933.60x = 1,151,076,519.36
  5. Step 5: Solve for x
    x = 1,151,076,519.36/27,933.60
  6. Step 6: Final answer
    x = 41,207.60

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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.