Home / 21,539.52-29,717.69-13,044.85

Finding the Fourth Proportional to 21,539.52, 29,717.69 and 13,044.85

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Solution

The fourth proportional to 21,539.52, 29,717.69 and 13,044.85 is: 17,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.52 : 29,717.69 = 13,044.85 : x
  2. Step 2: Convert to fraction form
    21,539.52/29,717.69 = 13,044.85/x
  3. Step 3: Cross multiply
    21,539.52x = 29,717.69 × 13,044.85
  4. Step 4: Simplify right side
    21,539.52x = 387,662,668.88
  5. Step 5: Solve for x
    x = 387,662,668.88/21,539.52
  6. Step 6: Final answer
    x = 17,997.74

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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.