Home / 21,841.13-32,761.71-5,425.13

Finding the Fourth Proportional to 21,841.13, 32,761.71 and 5,425.13

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Solution

The fourth proportional to 21,841.13, 32,761.71 and 5,425.13 is: 8,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,841.13 : 32,761.71 = 5,425.13 : x
  2. Step 2: Convert to fraction form
    21,841.13/32,761.71 = 5,425.13/x
  3. Step 3: Cross multiply
    21,841.13x = 32,761.71 × 5,425.13
  4. Step 4: Simplify right side
    21,841.13x = 177,736,371.96
  5. Step 5: Solve for x
    x = 177,736,371.96/21,841.13
  6. Step 6: Final answer
    x = 8,137.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.