Home / 26,728.64-36,868.32-18,349.76

Finding the Fourth Proportional to 26,728.64, 36,868.32 and 18,349.76

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Solution

The fourth proportional to 26,728.64, 36,868.32 and 18,349.76 is: 25,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.64 : 36,868.32 = 18,349.76 : x
  2. Step 2: Convert to fraction form
    26,728.64/36,868.32 = 18,349.76/x
  3. Step 3: Cross multiply
    26,728.64x = 36,868.32 × 18,349.76
  4. Step 4: Simplify right side
    26,728.64x = 676,524,823.60
  5. Step 5: Solve for x
    x = 676,524,823.60/26,728.64
  6. Step 6: Final answer
    x = 25,310.86

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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.