Home / 20,015.88-29,877.25-17,651.34

Finding the Fourth Proportional to 20,015.88, 29,877.25 and 17,651.34

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Solution

The fourth proportional to 20,015.88, 29,877.25 and 17,651.34 is: 26,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.88 : 29,877.25 = 17,651.34 : x
  2. Step 2: Convert to fraction form
    20,015.88/29,877.25 = 17,651.34/x
  3. Step 3: Cross multiply
    20,015.88x = 29,877.25 × 17,651.34
  4. Step 4: Simplify right side
    20,015.88x = 527,373,348.63
  5. Step 5: Solve for x
    x = 527,373,348.63/20,015.88
  6. Step 6: Final answer
    x = 26,347.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.