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Finding the Fourth Proportional to 21,732.56, 32,600.58 and 6,943.58

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Solution

The fourth proportional to 21,732.56, 32,600.58 and 6,943.58 is: 10,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.56 : 32,600.58 = 6,943.58 : x
  2. Step 2: Convert to fraction form
    21,732.56/32,600.58 = 6,943.58/x
  3. Step 3: Cross multiply
    21,732.56x = 32,600.58 × 6,943.58
  4. Step 4: Simplify right side
    21,732.56x = 226,364,735.28
  5. Step 5: Solve for x
    x = 226,364,735.28/21,732.56
  6. Step 6: Final answer
    x = 10,415.93

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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.