Home / 27,651.88-38,159.53-15,076.63

Finding the Fourth Proportional to 27,651.88, 38,159.53 and 15,076.63

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Solution

The fourth proportional to 27,651.88, 38,159.53 and 15,076.63 is: 20,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.88 : 38,159.53 = 15,076.63 : x
  2. Step 2: Convert to fraction form
    27,651.88/38,159.53 = 15,076.63/x
  3. Step 3: Cross multiply
    27,651.88x = 38,159.53 × 15,076.63
  4. Step 4: Simplify right side
    27,651.88x = 575,317,114.78
  5. Step 5: Solve for x
    x = 575,317,114.78/27,651.88
  6. Step 6: Final answer
    x = 20,805.71

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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.