Home / 21,463.92-32,192.28-5,878.80

Finding the Fourth Proportional to 21,463.92, 32,192.28 and 5,878.80

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Solution

The fourth proportional to 21,463.92, 32,192.28 and 5,878.80 is: 8,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.92 : 32,192.28 = 5,878.80 : x
  2. Step 2: Convert to fraction form
    21,463.92/32,192.28 = 5,878.80/x
  3. Step 3: Cross multiply
    21,463.92x = 32,192.28 × 5,878.80
  4. Step 4: Simplify right side
    21,463.92x = 189,251,975.66
  5. Step 5: Solve for x
    x = 189,251,975.66/21,463.92
  6. Step 6: Final answer
    x = 8,817.21

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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.