Home / 21,757.36-29,993.61-17,973.85

Finding the Fourth Proportional to 21,757.36, 29,993.61 and 17,973.85

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Solution

The fourth proportional to 21,757.36, 29,993.61 and 17,973.85 is: 24,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757.36 : 29,993.61 = 17,973.85 : x
  2. Step 2: Convert to fraction form
    21,757.36/29,993.61 = 17,973.85/x
  3. Step 3: Cross multiply
    21,757.36x = 29,993.61 × 17,973.85
  4. Step 4: Simplify right side
    21,757.36x = 539,100,647.10
  5. Step 5: Solve for x
    x = 539,100,647.10/21,757.36
  6. Step 6: Final answer
    x = 24,777.85

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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.