Home / 26,877.88-37,086.06-15,697.72

Finding the Fourth Proportional to 26,877.88, 37,086.06 and 15,697.72

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Solution

The fourth proportional to 26,877.88, 37,086.06 and 15,697.72 is: 21,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.88 : 37,086.06 = 15,697.72 : x
  2. Step 2: Convert to fraction form
    26,877.88/37,086.06 = 15,697.72/x
  3. Step 3: Cross multiply
    26,877.88x = 37,086.06 × 15,697.72
  4. Step 4: Simplify right side
    26,877.88x = 582,166,585.78
  5. Step 5: Solve for x
    x = 582,166,585.78/26,877.88
  6. Step 6: Final answer
    x = 21,659.69

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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.