Home / 27,861.06-38,450.91-15,922.08

Finding the Fourth Proportional to 27,861.06, 38,450.91 and 15,922.08

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Solution

The fourth proportional to 27,861.06, 38,450.91 and 15,922.08 is: 21,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861.06 : 38,450.91 = 15,922.08 : x
  2. Step 2: Convert to fraction form
    27,861.06/38,450.91 = 15,922.08/x
  3. Step 3: Cross multiply
    27,861.06x = 38,450.91 × 15,922.08
  4. Step 4: Simplify right side
    27,861.06x = 612,218,193.23
  5. Step 5: Solve for x
    x = 612,218,193.23/27,861.06
  6. Step 6: Final answer
    x = 21,973.98

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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.