Home / 27,015.86-40,523.27-12,214.43

Finding the Fourth Proportional to 27,015.86, 40,523.27 and 12,214.43

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Solution

The fourth proportional to 27,015.86, 40,523.27 and 12,214.43 is: 18,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.86 : 40,523.27 = 12,214.43 : x
  2. Step 2: Convert to fraction form
    27,015.86/40,523.27 = 12,214.43/x
  3. Step 3: Cross multiply
    27,015.86x = 40,523.27 × 12,214.43
  4. Step 4: Simplify right side
    27,015.86x = 494,968,381.10
  5. Step 5: Solve for x
    x = 494,968,381.10/27,015.86
  6. Step 6: Final answer
    x = 18,321.40

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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.