Home / 27,027.90-40,523.40-12,228.75

Finding the Fourth Proportional to 27,027.90, 40,523.40 and 12,228.75

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Solution

The fourth proportional to 27,027.90, 40,523.40 and 12,228.75 is: 18,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.90 : 40,523.40 = 12,228.75 : x
  2. Step 2: Convert to fraction form
    27,027.90/40,523.40 = 12,228.75/x
  3. Step 3: Cross multiply
    27,027.90x = 40,523.40 × 12,228.75
  4. Step 4: Simplify right side
    27,027.90x = 495,550,527.75
  5. Step 5: Solve for x
    x = 495,550,527.75/27,027.90
  6. Step 6: Final answer
    x = 18,334.78

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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.