Home / 21,424.46-32,080.79-17,241.62

Finding the Fourth Proportional to 21,424.46, 32,080.79 and 17,241.62

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Solution

The fourth proportional to 21,424.46, 32,080.79 and 17,241.62 is: 25,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424.46 : 32,080.79 = 17,241.62 : x
  2. Step 2: Convert to fraction form
    21,424.46/32,080.79 = 17,241.62/x
  3. Step 3: Cross multiply
    21,424.46x = 32,080.79 × 17,241.62
  4. Step 4: Simplify right side
    21,424.46x = 553,124,543.87
  5. Step 5: Solve for x
    x = 553,124,543.87/21,424.46
  6. Step 6: Final answer
    x = 25,817.44

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1.5x scale

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.