Home / 21,925.20-32,884.15-7,882.37

Finding the Fourth Proportional to 21,925.20, 32,884.15 and 7,882.37

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Solution

The fourth proportional to 21,925.20, 32,884.15 and 7,882.37 is: 11,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.20 : 32,884.15 = 7,882.37 : x
  2. Step 2: Convert to fraction form
    21,925.20/32,884.15 = 7,882.37/x
  3. Step 3: Cross multiply
    21,925.20x = 32,884.15 × 7,882.37
  4. Step 4: Simplify right side
    21,925.20x = 259,205,037.44
  5. Step 5: Solve for x
    x = 259,205,037.44/21,925.20
  6. Step 6: Final answer
    x = 11,822.24

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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.