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Finding the Fourth Proportional to 21,671.02, 32,506.53 and 7,627.74

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Solution

The fourth proportional to 21,671.02, 32,506.53 and 7,627.74 is: 11,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.02 : 32,506.53 = 7,627.74 : x
  2. Step 2: Convert to fraction form
    21,671.02/32,506.53 = 7,627.74/x
  3. Step 3: Cross multiply
    21,671.02x = 32,506.53 × 7,627.74
  4. Step 4: Simplify right side
    21,671.02x = 247,951,359.14
  5. Step 5: Solve for x
    x = 247,951,359.14/21,671.02
  6. Step 6: Final answer
    x = 11,441.61

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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.