Home / 21,558.35-32,325.33-8,395.58

Finding the Fourth Proportional to 21,558.35, 32,325.33 and 8,395.58

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Solution

The fourth proportional to 21,558.35, 32,325.33 and 8,395.58 is: 12,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.35 : 32,325.33 = 8,395.58 : x
  2. Step 2: Convert to fraction form
    21,558.35/32,325.33 = 8,395.58/x
  3. Step 3: Cross multiply
    21,558.35x = 32,325.33 × 8,395.58
  4. Step 4: Simplify right side
    21,558.35x = 271,389,894.04
  5. Step 5: Solve for x
    x = 271,389,894.04/21,558.35
  6. Step 6: Final answer
    x = 12,588.62

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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.