Home / 26,750.74-36,906.90-15,419.86

Finding the Fourth Proportional to 26,750.74, 36,906.90 and 15,419.86

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Solution

The fourth proportional to 26,750.74, 36,906.90 and 15,419.86 is: 21,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,750.74 : 36,906.90 = 15,419.86 : x
  2. Step 2: Convert to fraction form
    26,750.74/36,906.90 = 15,419.86/x
  3. Step 3: Cross multiply
    26,750.74x = 36,906.90 × 15,419.86
  4. Step 4: Simplify right side
    26,750.74x = 569,099,231.03
  5. Step 5: Solve for x
    x = 569,099,231.03/26,750.74
  6. Step 6: Final answer
    x = 21,274.15

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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.