Home / 21,625.32-32,441.30-9,145.36

Finding the Fourth Proportional to 21,625.32, 32,441.30 and 9,145.36

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Solution

The fourth proportional to 21,625.32, 32,441.30 and 9,145.36 is: 13,719.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,625.32 : 32,441.30 = 9,145.36 : x
  2. Step 2: Convert to fraction form
    21,625.32/32,441.30 = 9,145.36/x
  3. Step 3: Cross multiply
    21,625.32x = 32,441.30 × 9,145.36
  4. Step 4: Simplify right side
    21,625.32x = 296,687,367.37
  5. Step 5: Solve for x
    x = 296,687,367.37/21,625.32
  6. Step 6: Final answer
    x = 13,719.44

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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.