Home / 27,426.30-41,121.09-12,615.18

Finding the Fourth Proportional to 27,426.30, 41,121.09 and 12,615.18

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Solution

The fourth proportional to 27,426.30, 41,121.09 and 12,615.18 is: 18,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,426.30 : 41,121.09 = 12,615.18 : x
  2. Step 2: Convert to fraction form
    27,426.30/41,121.09 = 12,615.18/x
  3. Step 3: Cross multiply
    27,426.30x = 41,121.09 × 12,615.18
  4. Step 4: Simplify right side
    27,426.30x = 518,749,952.15
  5. Step 5: Solve for x
    x = 518,749,952.15/27,426.30
  6. Step 6: Final answer
    x = 18,914.33

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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.