Home / 18,440.20-27,617.10-14,033.80

Finding the Fourth Proportional to 18,440.20, 27,617.10 and 14,033.80

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Solution

The fourth proportional to 18,440.20, 27,617.10 and 14,033.80 is: 21,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.20 : 27,617.10 = 14,033.80 : x
  2. Step 2: Convert to fraction form
    18,440.20/27,617.10 = 14,033.80/x
  3. Step 3: Cross multiply
    18,440.20x = 27,617.10 × 14,033.80
  4. Step 4: Simplify right side
    18,440.20x = 387,572,857.98
  5. Step 5: Solve for x
    x = 387,572,857.98/18,440.20
  6. Step 6: Final answer
    x = 21,017.82

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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.