Home / 21,357.22-32,023.83-8,868.84

Finding the Fourth Proportional to 21,357.22, 32,023.83 and 8,868.84

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Solution

The fourth proportional to 21,357.22, 32,023.83 and 8,868.84 is: 13,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.22 : 32,023.83 = 8,868.84 : x
  2. Step 2: Convert to fraction form
    21,357.22/32,023.83 = 8,868.84/x
  3. Step 3: Cross multiply
    21,357.22x = 32,023.83 × 8,868.84
  4. Step 4: Simplify right side
    21,357.22x = 284,014,180.11
  5. Step 5: Solve for x
    x = 284,014,180.11/21,357.22
  6. Step 6: Final answer
    x = 13,298.28

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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.