Home / 27,941.75-38,559.76-15,195.03

Finding the Fourth Proportional to 27,941.75, 38,559.76 and 15,195.03

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Solution

The fourth proportional to 27,941.75, 38,559.76 and 15,195.03 is: 20,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,941.75 : 38,559.76 = 15,195.03 : x
  2. Step 2: Convert to fraction form
    27,941.75/38,559.76 = 15,195.03/x
  3. Step 3: Cross multiply
    27,941.75x = 38,559.76 × 15,195.03
  4. Step 4: Simplify right side
    27,941.75x = 585,916,709.99
  5. Step 5: Solve for x
    x = 585,916,709.99/27,941.75
  6. Step 6: Final answer
    x = 20,969.22

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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.