Home / 27,651.52-38,159.10-15,076.28

Finding the Fourth Proportional to 27,651.52, 38,159.10 and 15,076.28

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Solution

The fourth proportional to 27,651.52, 38,159.10 and 15,076.28 is: 20,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.52 : 38,159.10 = 15,076.28 : x
  2. Step 2: Convert to fraction form
    27,651.52/38,159.10 = 15,076.28/x
  3. Step 3: Cross multiply
    27,651.52x = 38,159.10 × 15,076.28
  4. Step 4: Simplify right side
    27,651.52x = 575,297,276.15
  5. Step 5: Solve for x
    x = 575,297,276.15/27,651.52
  6. Step 6: Final answer
    x = 20,805.27

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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.