Home / 27,633.78-38,134.67-15,058.53

Finding the Fourth Proportional to 27,633.78, 38,134.67 and 15,058.53

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Solution

The fourth proportional to 27,633.78, 38,134.67 and 15,058.53 is: 20,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,633.78 : 38,134.67 = 15,058.53 : x
  2. Step 2: Convert to fraction form
    27,633.78/38,134.67 = 15,058.53/x
  3. Step 3: Cross multiply
    27,633.78x = 38,134.67 × 15,058.53
  4. Step 4: Simplify right side
    27,633.78x = 574,251,996.94
  5. Step 5: Solve for x
    x = 574,251,996.94/27,633.78
  6. Step 6: Final answer
    x = 20,780.80

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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.