Home / 27,561.26-38,052.78-21,176.44

Finding the Fourth Proportional to 27,561.26, 38,052.78 and 21,176.44

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Solution

The fourth proportional to 27,561.26, 38,052.78 and 21,176.44 is: 29,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,561.26 : 38,052.78 = 21,176.44 : x
  2. Step 2: Convert to fraction form
    27,561.26/38,052.78 = 21,176.44/x
  3. Step 3: Cross multiply
    27,561.26x = 38,052.78 × 21,176.44
  4. Step 4: Simplify right side
    27,561.26x = 805,822,412.50
  5. Step 5: Solve for x
    x = 805,822,412.50/27,561.26
  6. Step 6: Final answer
    x = 29,237.50

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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.