Home / 21,352.14-32,028.21-10,820.52

Finding the Fourth Proportional to 21,352.14, 32,028.21 and 10,820.52

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Solution

The fourth proportional to 21,352.14, 32,028.21 and 10,820.52 is: 16,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.14 : 32,028.21 = 10,820.52 : x
  2. Step 2: Convert to fraction form
    21,352.14/32,028.21 = 10,820.52/x
  3. Step 3: Cross multiply
    21,352.14x = 32,028.21 × 10,820.52
  4. Step 4: Simplify right side
    21,352.14x = 346,561,886.87
  5. Step 5: Solve for x
    x = 346,561,886.87/21,352.14
  6. Step 6: Final answer
    x = 16,230.78

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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.