Home / 28,027.88-38,638.29-22,049.17

Finding the Fourth Proportional to 28,027.88, 38,638.29 and 22,049.17

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Solution

The fourth proportional to 28,027.88, 38,638.29 and 22,049.17 is: 30,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.88 : 38,638.29 = 22,049.17 : x
  2. Step 2: Convert to fraction form
    28,027.88/38,638.29 = 22,049.17/x
  3. Step 3: Cross multiply
    28,027.88x = 38,638.29 × 22,049.17
  4. Step 4: Simplify right side
    28,027.88x = 851,942,224.72
  5. Step 5: Solve for x
    x = 851,942,224.72/28,027.88
  6. Step 6: Final answer
    x = 30,396.24

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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.