Home / 19,833.12-27,369.24-10,880.40

Finding the Fourth Proportional to 19,833.12, 27,369.24 and 10,880.40

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Solution

The fourth proportional to 19,833.12, 27,369.24 and 10,880.40 is: 15,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.12 : 27,369.24 = 10,880.40 : x
  2. Step 2: Convert to fraction form
    19,833.12/27,369.24 = 10,880.40/x
  3. Step 3: Cross multiply
    19,833.12x = 27,369.24 × 10,880.40
  4. Step 4: Simplify right side
    19,833.12x = 297,788,278.90
  5. Step 5: Solve for x
    x = 297,788,278.90/19,833.12
  6. Step 6: Final answer
    x = 15,014.70

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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.