Home / 21,835.04-32,725.16-9,340.40

Finding the Fourth Proportional to 21,835.04, 32,725.16 and 9,340.40

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Solution

The fourth proportional to 21,835.04, 32,725.16 and 9,340.40 is: 13,998.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.04 : 32,725.16 = 9,340.40 : x
  2. Step 2: Convert to fraction form
    21,835.04/32,725.16 = 9,340.40/x
  3. Step 3: Cross multiply
    21,835.04x = 32,725.16 × 9,340.40
  4. Step 4: Simplify right side
    21,835.04x = 305,665,874.14
  5. Step 5: Solve for x
    x = 305,665,874.14/21,835.04
  6. Step 6: Final answer
    x = 13,998.87

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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.