Home / 21,832.20-30,104.64-14,746.32

Finding the Fourth Proportional to 21,832.20, 30,104.64 and 14,746.32

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Solution

The fourth proportional to 21,832.20, 30,104.64 and 14,746.32 is: 20,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.20 : 30,104.64 = 14,746.32 : x
  2. Step 2: Convert to fraction form
    21,832.20/30,104.64 = 14,746.32/x
  3. Step 3: Cross multiply
    21,832.20x = 30,104.64 × 14,746.32
  4. Step 4: Simplify right side
    21,832.20x = 443,932,654.92
  5. Step 5: Solve for x
    x = 443,932,654.92/21,832.20
  6. Step 6: Final answer
    x = 20,333.85

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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.