Home / 26,872.20-37,082.46-15,539.88

Finding the Fourth Proportional to 26,872.20, 37,082.46 and 15,539.88

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Solution

The fourth proportional to 26,872.20, 37,082.46 and 15,539.88 is: 21,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.20 : 37,082.46 = 15,539.88 : x
  2. Step 2: Convert to fraction form
    26,872.20/37,082.46 = 15,539.88/x
  3. Step 3: Cross multiply
    26,872.20x = 37,082.46 × 15,539.88
  4. Step 4: Simplify right side
    26,872.20x = 576,256,978.50
  5. Step 5: Solve for x
    x = 576,256,978.50/26,872.20
  6. Step 6: Final answer
    x = 21,444.35

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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.