Home / 27,734.96-38,271.36-15,795.80

Finding the Fourth Proportional to 27,734.96, 38,271.36 and 15,795.80

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Solution

The fourth proportional to 27,734.96, 38,271.36 and 15,795.80 is: 21,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.96 : 38,271.36 = 15,795.80 : x
  2. Step 2: Convert to fraction form
    27,734.96/38,271.36 = 15,795.80/x
  3. Step 3: Cross multiply
    27,734.96x = 38,271.36 × 15,795.80
  4. Step 4: Simplify right side
    27,734.96x = 604,526,748.29
  5. Step 5: Solve for x
    x = 604,526,748.29/27,734.96
  6. Step 6: Final answer
    x = 21,796.56

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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.