Home / 26,728.28-36,885.36-16,660.78

Finding the Fourth Proportional to 26,728.28, 36,885.36 and 16,660.78

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Solution

The fourth proportional to 26,728.28, 36,885.36 and 16,660.78 is: 22,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.28 : 36,885.36 = 16,660.78 : x
  2. Step 2: Convert to fraction form
    26,728.28/36,885.36 = 16,660.78/x
  3. Step 3: Cross multiply
    26,728.28x = 36,885.36 × 16,660.78
  4. Step 4: Simplify right side
    26,728.28x = 614,538,868.18
  5. Step 5: Solve for x
    x = 614,538,868.18/26,728.28
  6. Step 6: Final answer
    x = 22,992.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.