Home / 21,982.64-32,975.48-8,835.02

Finding the Fourth Proportional to 21,982.64, 32,975.48 and 8,835.02

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Solution

The fourth proportional to 21,982.64, 32,975.48 and 8,835.02 is: 13,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,982.64 : 32,975.48 = 8,835.02 : x
  2. Step 2: Convert to fraction form
    21,982.64/32,975.48 = 8,835.02/x
  3. Step 3: Cross multiply
    21,982.64x = 32,975.48 × 8,835.02
  4. Step 4: Simplify right side
    21,982.64x = 291,339,025.31
  5. Step 5: Solve for x
    x = 291,339,025.31/21,982.64
  6. Step 6: Final answer
    x = 13,253.14

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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.