Home / 27,014.40-40,539.29-12,223.45

Finding the Fourth Proportional to 27,014.40, 40,539.29 and 12,223.45

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Solution

The fourth proportional to 27,014.40, 40,539.29 and 12,223.45 is: 18,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,014.40 : 40,539.29 = 12,223.45 : x
  2. Step 2: Convert to fraction form
    27,014.40/40,539.29 = 12,223.45/x
  3. Step 3: Cross multiply
    27,014.40x = 40,539.29 × 12,223.45
  4. Step 4: Simplify right side
    27,014.40x = 495,530,022.75
  5. Step 5: Solve for x
    x = 495,530,022.75/27,014.40
  6. Step 6: Final answer
    x = 18,343.18

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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.