Home / 21,703.30-29,967.55-16,659.54

Finding the Fourth Proportional to 21,703.30, 29,967.55 and 16,659.54

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Solution

The fourth proportional to 21,703.30, 29,967.55 and 16,659.54 is: 23,003.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703.30 : 29,967.55 = 16,659.54 : x
  2. Step 2: Convert to fraction form
    21,703.30/29,967.55 = 16,659.54/x
  3. Step 3: Cross multiply
    21,703.30x = 29,967.55 × 16,659.54
  4. Step 4: Simplify right side
    21,703.30x = 499,245,556.28
  5. Step 5: Solve for x
    x = 499,245,556.28/21,703.30
  6. Step 6: Final answer
    x = 23,003.21

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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.