Home / 21,832.32-32,752.44-12,482.88

Finding the Fourth Proportional to 21,832.32, 32,752.44 and 12,482.88

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Solution

The fourth proportional to 21,832.32, 32,752.44 and 12,482.88 is: 18,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.32 : 32,752.44 = 12,482.88 : x
  2. Step 2: Convert to fraction form
    21,832.32/32,752.44 = 12,482.88/x
  3. Step 3: Cross multiply
    21,832.32x = 32,752.44 × 12,482.88
  4. Step 4: Simplify right side
    21,832.32x = 408,844,778.23
  5. Step 5: Solve for x
    x = 408,844,778.23/21,832.32
  6. Step 6: Final answer
    x = 18,726.58

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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.