Home / 19,933.20-27,507.81-10,980.69

Finding the Fourth Proportional to 19,933.20, 27,507.81 and 10,980.69

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Solution

The fourth proportional to 19,933.20, 27,507.81 and 10,980.69 is: 15,153.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.20 : 27,507.81 = 10,980.69 : x
  2. Step 2: Convert to fraction form
    19,933.20/27,507.81 = 10,980.69/x
  3. Step 3: Cross multiply
    19,933.20x = 27,507.81 × 10,980.69
  4. Step 4: Simplify right side
    19,933.20x = 302,054,802.96
  5. Step 5: Solve for x
    x = 302,054,802.96/19,933.20
  6. Step 6: Final answer
    x = 15,153.36

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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.