Home / 27,679.73-38,187-17,050.91

Finding the Fourth Proportional to 27,679.73, 38,187 and 17,050.91

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Solution

The fourth proportional to 27,679.73, 38,187 and 17,050.91 is: 23,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.73 : 38,187 = 17,050.91 : x
  2. Step 2: Convert to fraction form
    27,679.73/38,187 = 17,050.91/x
  3. Step 3: Cross multiply
    27,679.73x = 38,187 × 17,050.91
  4. Step 4: Simplify right side
    27,679.73x = 651,122,909.24
  5. Step 5: Solve for x
    x = 651,122,909.24/27,679.73
  6. Step 6: Final answer
    x = 23,523.46

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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.