Home / 26,406.72-36,439.20-15,226.56

Finding the Fourth Proportional to 26,406.72, 36,439.20 and 15,226.56

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Solution

The fourth proportional to 26,406.72, 36,439.20 and 15,226.56 is: 21,011.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,406.72 : 36,439.20 = 15,226.56 : x
  2. Step 2: Convert to fraction form
    26,406.72/36,439.20 = 15,226.56/x
  3. Step 3: Cross multiply
    26,406.72x = 36,439.20 × 15,226.56
  4. Step 4: Simplify right side
    26,406.72x = 554,843,665.15
  5. Step 5: Solve for x
    x = 554,843,665.15/26,406.72
  6. Step 6: Final answer
    x = 21,011.46

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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.