Home / 21,985.52-32,982.48-8,838.96

Finding the Fourth Proportional to 21,985.52, 32,982.48 and 8,838.96

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Solution

The fourth proportional to 21,985.52, 32,982.48 and 8,838.96 is: 13,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985.52 : 32,982.48 = 8,838.96 : x
  2. Step 2: Convert to fraction form
    21,985.52/32,982.48 = 8,838.96/x
  3. Step 3: Cross multiply
    21,985.52x = 32,982.48 × 8,838.96
  4. Step 4: Simplify right side
    21,985.52x = 291,530,821.42
  5. Step 5: Solve for x
    x = 291,530,821.42/21,985.52
  6. Step 6: Final answer
    x = 13,260.13

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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.