Home / 27,245.85-37,600.38-15,309.15

Finding the Fourth Proportional to 27,245.85, 37,600.38 and 15,309.15

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Solution

The fourth proportional to 27,245.85, 37,600.38 and 15,309.15 is: 21,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.85 : 37,600.38 = 15,309.15 : x
  2. Step 2: Convert to fraction form
    27,245.85/37,600.38 = 15,309.15/x
  3. Step 3: Cross multiply
    27,245.85x = 37,600.38 × 15,309.15
  4. Step 4: Simplify right side
    27,245.85x = 575,629,857.48
  5. Step 5: Solve for x
    x = 575,629,857.48/27,245.85
  6. Step 6: Final answer
    x = 21,127.25

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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.