Home / 27,418.40-41,127.60-16,359.20

Finding the Fourth Proportional to 27,418.40, 41,127.60 and 16,359.20

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Solution

The fourth proportional to 27,418.40, 41,127.60 and 16,359.20 is: 24,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,418.40 : 41,127.60 = 16,359.20 : x
  2. Step 2: Convert to fraction form
    27,418.40/41,127.60 = 16,359.20/x
  3. Step 3: Cross multiply
    27,418.40x = 41,127.60 × 16,359.20
  4. Step 4: Simplify right side
    27,418.40x = 672,814,633.92
  5. Step 5: Solve for x
    x = 672,814,633.92/27,418.40
  6. Step 6: Final answer
    x = 24,538.80

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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.