Home / 27,645.97-38,156.91-17,586.31

Finding the Fourth Proportional to 27,645.97, 38,156.91 and 17,586.31

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Solution

The fourth proportional to 27,645.97, 38,156.91 and 17,586.31 is: 24,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,645.97 : 38,156.91 = 17,586.31 : x
  2. Step 2: Convert to fraction form
    27,645.97/38,156.91 = 17,586.31/x
  3. Step 3: Cross multiply
    27,645.97x = 38,156.91 × 17,586.31
  4. Step 4: Simplify right side
    27,645.97x = 671,039,247.90
  5. Step 5: Solve for x
    x = 671,039,247.90/27,645.97
  6. Step 6: Final answer
    x = 24,272.59

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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.