Home / 19,379.81-26,743.79-10,882.00

Finding the Fourth Proportional to 19,379.81, 26,743.79 and 10,882.00

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Solution

The fourth proportional to 19,379.81, 26,743.79 and 10,882.00 is: 15,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.81 : 26,743.79 = 10,882.00 : x
  2. Step 2: Convert to fraction form
    19,379.81/26,743.79 = 10,882.00/x
  3. Step 3: Cross multiply
    19,379.81x = 26,743.79 × 10,882.00
  4. Step 4: Simplify right side
    19,379.81x = 291,025,789.06
  5. Step 5: Solve for x
    x = 291,025,789.06/19,379.81
  6. Step 6: Final answer
    x = 15,016.96

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1.5x scale

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.