Home / 18,028.04-27,042.12-5,547.98

Finding the Fourth Proportional to 18,028.04, 27,042.12 and 5,547.98

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Solution

The fourth proportional to 18,028.04, 27,042.12 and 5,547.98 is: 8,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.04 : 27,042.12 = 5,547.98 : x
  2. Step 2: Convert to fraction form
    18,028.04/27,042.12 = 5,547.98/x
  3. Step 3: Cross multiply
    18,028.04x = 27,042.12 × 5,547.98
  4. Step 4: Simplify right side
    18,028.04x = 150,029,140.92
  5. Step 5: Solve for x
    x = 150,029,140.92/18,028.04
  6. Step 6: Final answer
    x = 8,321.99

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Similar ratio
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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.