Home / 27,675.30-38,192.34-15,738.98

Finding the Fourth Proportional to 27,675.30, 38,192.34 and 15,738.98

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Solution

The fourth proportional to 27,675.30, 38,192.34 and 15,738.98 is: 21,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.30 : 38,192.34 = 15,738.98 : x
  2. Step 2: Convert to fraction form
    27,675.30/38,192.34 = 15,738.98/x
  3. Step 3: Cross multiply
    27,675.30x = 38,192.34 × 15,738.98
  4. Step 4: Simplify right side
    27,675.30x = 601,108,475.41
  5. Step 5: Solve for x
    x = 601,108,475.41/27,675.30
  6. Step 6: Final answer
    x = 21,720.03

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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.