Home / 27,211.04-37,552.92-18,120.81

Finding the Fourth Proportional to 27,211.04, 37,552.92 and 18,120.81

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Solution

The fourth proportional to 27,211.04, 37,552.92 and 18,120.81 is: 25,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,211.04 : 37,552.92 = 18,120.81 : x
  2. Step 2: Convert to fraction form
    27,211.04/37,552.92 = 18,120.81/x
  3. Step 3: Cross multiply
    27,211.04x = 37,552.92 × 18,120.81
  4. Step 4: Simplify right side
    27,211.04x = 680,489,401.14
  5. Step 5: Solve for x
    x = 680,489,401.14/27,211.04
  6. Step 6: Final answer
    x = 25,007.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.