Home / 21,628.26-29,760.33-16,590.48

Finding the Fourth Proportional to 21,628.26, 29,760.33 and 16,590.48

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Solution

The fourth proportional to 21,628.26, 29,760.33 and 16,590.48 is: 22,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.26 : 29,760.33 = 16,590.48 : x
  2. Step 2: Convert to fraction form
    21,628.26/29,760.33 = 16,590.48/x
  3. Step 3: Cross multiply
    21,628.26x = 29,760.33 × 16,590.48
  4. Step 4: Simplify right side
    21,628.26x = 493,738,159.66
  5. Step 5: Solve for x
    x = 493,738,159.66/21,628.26
  6. Step 6: Final answer
    x = 22,828.38

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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.