Home / 21,932.48-30,265.44-12,372.32

Finding the Fourth Proportional to 21,932.48, 30,265.44 and 12,372.32

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Solution

The fourth proportional to 21,932.48, 30,265.44 and 12,372.32 is: 17,073.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.48 : 30,265.44 = 12,372.32 : x
  2. Step 2: Convert to fraction form
    21,932.48/30,265.44 = 12,372.32/x
  3. Step 3: Cross multiply
    21,932.48x = 30,265.44 × 12,372.32
  4. Step 4: Simplify right side
    21,932.48x = 374,453,708.62
  5. Step 5: Solve for x
    x = 374,453,708.62/21,932.48
  6. Step 6: Final answer
    x = 17,073.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.