Home / 26,270.55-36,258.03-15,660.86

Finding the Fourth Proportional to 26,270.55, 36,258.03 and 15,660.86

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Solution

The fourth proportional to 26,270.55, 36,258.03 and 15,660.86 is: 21,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,270.55 : 36,258.03 = 15,660.86 : x
  2. Step 2: Convert to fraction form
    26,270.55/36,258.03 = 15,660.86/x
  3. Step 3: Cross multiply
    26,270.55x = 36,258.03 × 15,660.86
  4. Step 4: Simplify right side
    26,270.55x = 567,831,750.42
  5. Step 5: Solve for x
    x = 567,831,750.42/26,270.55
  6. Step 6: Final answer
    x = 21,614.76

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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.