Home / 21,869.76-32,765.04-10,033.44

Finding the Fourth Proportional to 21,869.76, 32,765.04 and 10,033.44

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Solution

The fourth proportional to 21,869.76, 32,765.04 and 10,033.44 is: 15,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869.76 : 32,765.04 = 10,033.44 : x
  2. Step 2: Convert to fraction form
    21,869.76/32,765.04 = 10,033.44/x
  3. Step 3: Cross multiply
    21,869.76x = 32,765.04 × 10,033.44
  4. Step 4: Simplify right side
    21,869.76x = 328,746,062.94
  5. Step 5: Solve for x
    x = 328,746,062.94/21,869.76
  6. Step 6: Final answer
    x = 15,031.99

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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.