Home / 27,324.90-37,708.50-15,388.44

Finding the Fourth Proportional to 27,324.90, 37,708.50 and 15,388.44

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Solution

The fourth proportional to 27,324.90, 37,708.50 and 15,388.44 is: 21,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.90 : 37,708.50 = 15,388.44 : x
  2. Step 2: Convert to fraction form
    27,324.90/37,708.50 = 15,388.44/x
  3. Step 3: Cross multiply
    27,324.90x = 37,708.50 × 15,388.44
  4. Step 4: Simplify right side
    27,324.90x = 580,274,989.74
  5. Step 5: Solve for x
    x = 580,274,989.74/27,324.90
  6. Step 6: Final answer
    x = 21,236.12

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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.