Home / 27,755.26-38,302.32-15,179.92

Finding the Fourth Proportional to 27,755.26, 38,302.32 and 15,179.92

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Solution

The fourth proportional to 27,755.26, 38,302.32 and 15,179.92 is: 20,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.26 : 38,302.32 = 15,179.92 : x
  2. Step 2: Convert to fraction form
    27,755.26/38,302.32 = 15,179.92/x
  3. Step 3: Cross multiply
    27,755.26x = 38,302.32 × 15,179.92
  4. Step 4: Simplify right side
    27,755.26x = 581,426,153.41
  5. Step 5: Solve for x
    x = 581,426,153.41/27,755.26
  6. Step 6: Final answer
    x = 20,948.32

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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.