Home / 21,761.35-32,644.91-10,668.40

Finding the Fourth Proportional to 21,761.35, 32,644.91 and 10,668.40

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Solution

The fourth proportional to 21,761.35, 32,644.91 and 10,668.40 is: 16,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.35 : 32,644.91 = 10,668.40 : x
  2. Step 2: Convert to fraction form
    21,761.35/32,644.91 = 10,668.40/x
  3. Step 3: Cross multiply
    21,761.35x = 32,644.91 × 10,668.40
  4. Step 4: Simplify right side
    21,761.35x = 348,268,957.84
  5. Step 5: Solve for x
    x = 348,268,957.84/21,761.35
  6. Step 6: Final answer
    x = 16,004.01

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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.