Home / 27,426.40-41,107.20-20,492.80

Finding the Fourth Proportional to 27,426.40, 41,107.20 and 20,492.80

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Solution

The fourth proportional to 27,426.40, 41,107.20 and 20,492.80 is: 30,714.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.40 : 41,107.20 = 20,492.80 : x
  2. Step 2: Convert to fraction form
    27,426.40/41,107.20 = 20,492.80/x
  3. Step 3: Cross multiply
    27,426.40x = 41,107.20 × 20,492.80
  4. Step 4: Simplify right side
    27,426.40x = 842,401,628.16
  5. Step 5: Solve for x
    x = 842,401,628.16/27,426.40
  6. Step 6: Final answer
    x = 30,714.99

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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.