Home / 21,717.60-32,573.04-8,579.04

Finding the Fourth Proportional to 21,717.60, 32,573.04 and 8,579.04

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Solution

The fourth proportional to 21,717.60, 32,573.04 and 8,579.04 is: 12,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.60 : 32,573.04 = 8,579.04 : x
  2. Step 2: Convert to fraction form
    21,717.60/32,573.04 = 8,579.04/x
  3. Step 3: Cross multiply
    21,717.60x = 32,573.04 × 8,579.04
  4. Step 4: Simplify right side
    21,717.60x = 279,445,413.08
  5. Step 5: Solve for x
    x = 279,445,413.08/21,717.60
  6. Step 6: Final answer
    x = 12,867.23

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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.