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Finding the Fourth Proportional to 22,563.48, 33,835.80 and 8,521.04

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Solution

The fourth proportional to 22,563.48, 33,835.80 and 8,521.04 is: 12,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,563.48 : 33,835.80 = 8,521.04 : x
  2. Step 2: Convert to fraction form
    22,563.48/33,835.80 = 8,521.04/x
  3. Step 3: Cross multiply
    22,563.48x = 33,835.80 × 8,521.04
  4. Step 4: Simplify right side
    22,563.48x = 288,316,205.23
  5. Step 5: Solve for x
    x = 288,316,205.23/22,563.48
  6. Step 6: Final answer
    x = 12,778.00

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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.