Home / 21,827.16-32,753.05-21,660.41

Finding the Fourth Proportional to 21,827.16, 32,753.05 and 21,660.41

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Solution

The fourth proportional to 21,827.16, 32,753.05 and 21,660.41 is: 32,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827.16 : 32,753.05 = 21,660.41 : x
  2. Step 2: Convert to fraction form
    21,827.16/32,753.05 = 21,660.41/x
  3. Step 3: Cross multiply
    21,827.16x = 32,753.05 × 21,660.41
  4. Step 4: Simplify right side
    21,827.16x = 709,444,273.83
  5. Step 5: Solve for x
    x = 709,444,273.83/21,827.16
  6. Step 6: Final answer
    x = 32,502.82

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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.