Home / 27,271.89-37,638.27-15,334.92

Finding the Fourth Proportional to 27,271.89, 37,638.27 and 15,334.92

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Solution

The fourth proportional to 27,271.89, 37,638.27 and 15,334.92 is: 21,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.89 : 37,638.27 = 15,334.92 : x
  2. Step 2: Convert to fraction form
    27,271.89/37,638.27 = 15,334.92/x
  3. Step 3: Cross multiply
    27,271.89x = 37,638.27 × 15,334.92
  4. Step 4: Simplify right side
    27,271.89x = 577,179,859.39
  5. Step 5: Solve for x
    x = 577,179,859.39/27,271.89
  6. Step 6: Final answer
    x = 21,163.91

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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.