Home / 27,128.26-37,433.63-15,189.67

Finding the Fourth Proportional to 27,128.26, 37,433.63 and 15,189.67

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Solution

The fourth proportional to 27,128.26, 37,433.63 and 15,189.67 is: 20,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128.26 : 37,433.63 = 15,189.67 : x
  2. Step 2: Convert to fraction form
    27,128.26/37,433.63 = 15,189.67/x
  3. Step 3: Cross multiply
    27,128.26x = 37,433.63 × 15,189.67
  4. Step 4: Simplify right side
    27,128.26x = 568,604,486.60
  5. Step 5: Solve for x
    x = 568,604,486.60/27,128.26
  6. Step 6: Final answer
    x = 20,959.86

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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.