Home / 27,331.64-37,716.89-15,394.71

Finding the Fourth Proportional to 27,331.64, 37,716.89 and 15,394.71

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Solution

The fourth proportional to 27,331.64, 37,716.89 and 15,394.71 is: 21,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.64 : 37,716.89 = 15,394.71 : x
  2. Step 2: Convert to fraction form
    27,331.64/37,716.89 = 15,394.71/x
  3. Step 3: Cross multiply
    27,331.64x = 37,716.89 × 15,394.71
  4. Step 4: Simplify right side
    27,331.64x = 580,640,583.65
  5. Step 5: Solve for x
    x = 580,640,583.65/27,331.64
  6. Step 6: Final answer
    x = 21,244.26

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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.