Home / 19,892.34-27,451.29-10,939.62

Finding the Fourth Proportional to 19,892.34, 27,451.29 and 10,939.62

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Solution

The fourth proportional to 19,892.34, 27,451.29 and 10,939.62 is: 15,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.34 : 27,451.29 = 10,939.62 : x
  2. Step 2: Convert to fraction form
    19,892.34/27,451.29 = 10,939.62/x
  3. Step 3: Cross multiply
    19,892.34x = 27,451.29 × 10,939.62
  4. Step 4: Simplify right side
    19,892.34x = 300,306,681.11
  5. Step 5: Solve for x
    x = 300,306,681.11/19,892.34
  6. Step 6: Final answer
    x = 15,096.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.