Home / 26,887.88-37,099.82-15,707.72

Finding the Fourth Proportional to 26,887.88, 37,099.82 and 15,707.72

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Solution

The fourth proportional to 26,887.88, 37,099.82 and 15,707.72 is: 21,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.88 : 37,099.82 = 15,707.72 : x
  2. Step 2: Convert to fraction form
    26,887.88/37,099.82 = 15,707.72/x
  3. Step 3: Cross multiply
    26,887.88x = 37,099.82 × 15,707.72
  4. Step 4: Simplify right side
    26,887.88x = 582,753,584.61
  5. Step 5: Solve for x
    x = 582,753,584.61/26,887.88
  6. Step 6: Final answer
    x = 21,673.47

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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.