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Finding the Fourth Proportional to 21,335.13, 32,002.49 and 7,295.00

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Solution

The fourth proportional to 21,335.13, 32,002.49 and 7,295.00 is: 10,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.13 : 32,002.49 = 7,295.00 : x
  2. Step 2: Convert to fraction form
    21,335.13/32,002.49 = 7,295.00/x
  3. Step 3: Cross multiply
    21,335.13x = 32,002.49 × 7,295.00
  4. Step 4: Simplify right side
    21,335.13x = 233,458,022.78
  5. Step 5: Solve for x
    x = 233,458,022.78/21,335.13
  6. Step 6: Final answer
    x = 10,942.42

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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.