Home / 27,555.34-37,958.88-19,979.41

Finding the Fourth Proportional to 27,555.34, 37,958.88 and 19,979.41

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Solution

The fourth proportional to 27,555.34, 37,958.88 and 19,979.41 is: 27,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.34 : 37,958.88 = 19,979.41 : x
  2. Step 2: Convert to fraction form
    27,555.34/37,958.88 = 19,979.41/x
  3. Step 3: Cross multiply
    27,555.34x = 37,958.88 × 19,979.41
  4. Step 4: Simplify right side
    27,555.34x = 758,396,026.66
  5. Step 5: Solve for x
    x = 758,396,026.66/27,555.34
  6. Step 6: Final answer
    x = 27,522.65

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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.