Home / 21,927.20-32,874.60-11,382.08

Finding the Fourth Proportional to 21,927.20, 32,874.60 and 11,382.08

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Solution

The fourth proportional to 21,927.20, 32,874.60 and 11,382.08 is: 17,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,927.20 : 32,874.60 = 11,382.08 : x
  2. Step 2: Convert to fraction form
    21,927.20/32,874.60 = 11,382.08/x
  3. Step 3: Cross multiply
    21,927.20x = 32,874.60 × 11,382.08
  4. Step 4: Simplify right side
    21,927.20x = 374,181,327.17
  5. Step 5: Solve for x
    x = 374,181,327.17/21,927.20
  6. Step 6: Final answer
    x = 17,064.71

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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.