Home / 27,555.09-37,958.54-19,979.16

Finding the Fourth Proportional to 27,555.09, 37,958.54 and 19,979.16

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Solution

The fourth proportional to 27,555.09, 37,958.54 and 19,979.16 is: 27,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.09 : 37,958.54 = 19,979.16 : x
  2. Step 2: Convert to fraction form
    27,555.09/37,958.54 = 19,979.16/x
  3. Step 3: Cross multiply
    27,555.09x = 37,958.54 × 19,979.16
  4. Step 4: Simplify right side
    27,555.09x = 758,379,644.13
  5. Step 5: Solve for x
    x = 758,379,644.13/27,555.09
  6. Step 6: Final answer
    x = 27,522.31

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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.