Home / 27,489.38-37,932.91-19,426.13

Finding the Fourth Proportional to 27,489.38, 37,932.91 and 19,426.13

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Solution

The fourth proportional to 27,489.38, 37,932.91 and 19,426.13 is: 26,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489.38 : 37,932.91 = 19,426.13 : x
  2. Step 2: Convert to fraction form
    27,489.38/37,932.91 = 19,426.13/x
  3. Step 3: Cross multiply
    27,489.38x = 37,932.91 × 19,426.13
  4. Step 4: Simplify right side
    27,489.38x = 736,889,544.96
  5. Step 5: Solve for x
    x = 736,889,544.96/27,489.38
  6. Step 6: Final answer
    x = 26,806.34

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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.