Home / 27,656.82-38,156.40-17,042.58

Finding the Fourth Proportional to 27,656.82, 38,156.40 and 17,042.58

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Solution

The fourth proportional to 27,656.82, 38,156.40 and 17,042.58 is: 23,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656.82 : 38,156.40 = 17,042.58 : x
  2. Step 2: Convert to fraction form
    27,656.82/38,156.40 = 17,042.58/x
  3. Step 3: Cross multiply
    27,656.82x = 38,156.40 × 17,042.58
  4. Step 4: Simplify right side
    27,656.82x = 650,283,499.51
  5. Step 5: Solve for x
    x = 650,283,499.51/27,656.82
  6. Step 6: Final answer
    x = 23,512.59

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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.