Home / 21,333.84-32,005.44-6,543.87

Finding the Fourth Proportional to 21,333.84, 32,005.44 and 6,543.87

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Solution

The fourth proportional to 21,333.84, 32,005.44 and 6,543.87 is: 9,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.84 : 32,005.44 = 6,543.87 : x
  2. Step 2: Convert to fraction form
    21,333.84/32,005.44 = 6,543.87/x
  3. Step 3: Cross multiply
    21,333.84x = 32,005.44 × 6,543.87
  4. Step 4: Simplify right side
    21,333.84x = 209,439,438.65
  5. Step 5: Solve for x
    x = 209,439,438.65/21,333.84
  6. Step 6: Final answer
    x = 9,817.24

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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.