Home / 54,253.28-81,387.60-16,816.29

Finding the Fourth Proportional to 54,253.28, 81,387.60 and 16,816.29

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Solution

The fourth proportional to 54,253.28, 81,387.60 and 16,816.29 is: 25,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.28 : 81,387.60 = 16,816.29 : x
  2. Step 2: Convert to fraction form
    54,253.28/81,387.60 = 16,816.29/x
  3. Step 3: Cross multiply
    54,253.28x = 81,387.60 × 16,816.29
  4. Step 4: Simplify right side
    54,253.28x = 1,368,637,484.00
  5. Step 5: Solve for x
    x = 1,368,637,484.00/54,253.28
  6. Step 6: Final answer
    x = 25,226.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.