Home / 26,889.88-37,102.58-15,709.72

Finding the Fourth Proportional to 26,889.88, 37,102.58 and 15,709.72

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Solution

The fourth proportional to 26,889.88, 37,102.58 and 15,709.72 is: 21,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.88 : 37,102.58 = 15,709.72 : x
  2. Step 2: Convert to fraction form
    26,889.88/37,102.58 = 15,709.72/x
  3. Step 3: Cross multiply
    26,889.88x = 37,102.58 × 15,709.72
  4. Step 4: Simplify right side
    26,889.88x = 582,871,143.08
  5. Step 5: Solve for x
    x = 582,871,143.08/26,889.88
  6. Step 6: Final answer
    x = 21,676.23

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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.