Home / 21,581.88-32,369.04-6,000.72

Finding the Fourth Proportional to 21,581.88, 32,369.04 and 6,000.72

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Solution

The fourth proportional to 21,581.88, 32,369.04 and 6,000.72 is: 9,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.88 : 32,369.04 = 6,000.72 : x
  2. Step 2: Convert to fraction form
    21,581.88/32,369.04 = 6,000.72/x
  3. Step 3: Cross multiply
    21,581.88x = 32,369.04 × 6,000.72
  4. Step 4: Simplify right side
    21,581.88x = 194,237,545.71
  5. Step 5: Solve for x
    x = 194,237,545.71/21,581.88
  6. Step 6: Final answer
    x = 9,000.03

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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.