Home / 54,428.65-81,646.01-16,993.89

Finding the Fourth Proportional to 54,428.65, 81,646.01 and 16,993.89

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Solution

The fourth proportional to 54,428.65, 81,646.01 and 16,993.89 is: 25,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,428.65 : 81,646.01 = 16,993.89 : x
  2. Step 2: Convert to fraction form
    54,428.65/81,646.01 = 16,993.89/x
  3. Step 3: Cross multiply
    54,428.65x = 81,646.01 × 16,993.89
  4. Step 4: Simplify right side
    54,428.65x = 1,387,483,355.36
  5. Step 5: Solve for x
    x = 1,387,483,355.36/54,428.65
  6. Step 6: Final answer
    x = 25,491.78

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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.