Home / 27,457.74-37,922.81-18,489.65

Finding the Fourth Proportional to 27,457.74, 37,922.81 and 18,489.65

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Solution

The fourth proportional to 27,457.74, 37,922.81 and 18,489.65 is: 25,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.74 : 37,922.81 = 18,489.65 : x
  2. Step 2: Convert to fraction form
    27,457.74/37,922.81 = 18,489.65/x
  3. Step 3: Cross multiply
    27,457.74x = 37,922.81 × 18,489.65
  4. Step 4: Simplify right side
    27,457.74x = 701,179,201.85
  5. Step 5: Solve for x
    x = 701,179,201.85/27,457.74
  6. Step 6: Final answer
    x = 25,536.67

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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.