Home / 26,541.68-36,615.20-15,912.88

Finding the Fourth Proportional to 26,541.68, 36,615.20 and 15,912.88

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Solution

The fourth proportional to 26,541.68, 36,615.20 and 15,912.88 is: 21,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,541.68 : 36,615.20 = 15,912.88 : x
  2. Step 2: Convert to fraction form
    26,541.68/36,615.20 = 15,912.88/x
  3. Step 3: Cross multiply
    26,541.68x = 36,615.20 × 15,912.88
  4. Step 4: Simplify right side
    26,541.68x = 582,653,283.78
  5. Step 5: Solve for x
    x = 582,653,283.78/26,541.68
  6. Step 6: Final answer
    x = 21,952.39

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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.