Home / 27,734.06-38,272.44-15,158.90

Finding the Fourth Proportional to 27,734.06, 38,272.44 and 15,158.90

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Solution

The fourth proportional to 27,734.06, 38,272.44 and 15,158.90 is: 20,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,734.06 : 38,272.44 = 15,158.90 : x
  2. Step 2: Convert to fraction form
    27,734.06/38,272.44 = 15,158.90/x
  3. Step 3: Cross multiply
    27,734.06x = 38,272.44 × 15,158.90
  4. Step 4: Simplify right side
    27,734.06x = 580,168,090.72
  5. Step 5: Solve for x
    x = 580,168,090.72/27,734.06
  6. Step 6: Final answer
    x = 20,918.97

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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.