Home / 21,609.48-32,395.73-8,292.03

Finding the Fourth Proportional to 21,609.48, 32,395.73 and 8,292.03

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Solution

The fourth proportional to 21,609.48, 32,395.73 and 8,292.03 is: 12,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.48 : 32,395.73 = 8,292.03 : x
  2. Step 2: Convert to fraction form
    21,609.48/32,395.73 = 8,292.03/x
  3. Step 3: Cross multiply
    21,609.48x = 32,395.73 × 8,292.03
  4. Step 4: Simplify right side
    21,609.48x = 268,626,380.10
  5. Step 5: Solve for x
    x = 268,626,380.10/21,609.48
  6. Step 6: Final answer
    x = 12,430.95

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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.