Home / 27,755.54-38,302.68-15,180.32

Finding the Fourth Proportional to 27,755.54, 38,302.68 and 15,180.32

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Solution

The fourth proportional to 27,755.54, 38,302.68 and 15,180.32 is: 20,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.54 : 38,302.68 = 15,180.32 : x
  2. Step 2: Convert to fraction form
    27,755.54/38,302.68 = 15,180.32/x
  3. Step 3: Cross multiply
    27,755.54x = 38,302.68 × 15,180.32
  4. Step 4: Simplify right side
    27,755.54x = 581,446,939.26
  5. Step 5: Solve for x
    x = 581,446,939.26/27,755.54
  6. Step 6: Final answer
    x = 20,948.86

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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.