Home / 21,440.20-32,091.18-11,037.64

Finding the Fourth Proportional to 21,440.20, 32,091.18 and 11,037.64

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Solution

The fourth proportional to 21,440.20, 32,091.18 and 11,037.64 is: 16,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.20 : 32,091.18 = 11,037.64 : x
  2. Step 2: Convert to fraction form
    21,440.20/32,091.18 = 11,037.64/x
  3. Step 3: Cross multiply
    21,440.20x = 32,091.18 × 11,037.64
  4. Step 4: Simplify right side
    21,440.20x = 354,210,892.02
  5. Step 5: Solve for x
    x = 354,210,892.02/21,440.20
  6. Step 6: Final answer
    x = 16,520.88

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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.