Home / 19,932.47-27,506.73-10,979.96

Finding the Fourth Proportional to 19,932.47, 27,506.73 and 10,979.96

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Solution

The fourth proportional to 19,932.47, 27,506.73 and 10,979.96 is: 15,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.47 : 27,506.73 = 10,979.96 : x
  2. Step 2: Convert to fraction form
    19,932.47/27,506.73 = 10,979.96/x
  3. Step 3: Cross multiply
    19,932.47x = 27,506.73 × 10,979.96
  4. Step 4: Simplify right side
    19,932.47x = 302,022,657.60
  5. Step 5: Solve for x
    x = 302,022,657.60/19,932.47
  6. Step 6: Final answer
    x = 15,152.30

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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.