Home / 21,841.29-30,150.33-15,044.85

Finding the Fourth Proportional to 21,841.29, 30,150.33 and 15,044.85

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Solution

The fourth proportional to 21,841.29, 30,150.33 and 15,044.85 is: 20,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.29 : 30,150.33 = 15,044.85 : x
  2. Step 2: Convert to fraction form
    21,841.29/30,150.33 = 15,044.85/x
  3. Step 3: Cross multiply
    21,841.29x = 30,150.33 × 15,044.85
  4. Step 4: Simplify right side
    21,841.29x = 453,607,192.30
  5. Step 5: Solve for x
    x = 453,607,192.30/21,841.29
  6. Step 6: Final answer
    x = 20,768.33

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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.