Home / 21,352.75-32,030.34-8,873.89

Finding the Fourth Proportional to 21,352.75, 32,030.34 and 8,873.89

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Solution

The fourth proportional to 21,352.75, 32,030.34 and 8,873.89 is: 13,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.75 : 32,030.34 = 8,873.89 : x
  2. Step 2: Convert to fraction form
    21,352.75/32,030.34 = 8,873.89/x
  3. Step 3: Cross multiply
    21,352.75x = 32,030.34 × 8,873.89
  4. Step 4: Simplify right side
    21,352.75x = 284,233,713.82
  5. Step 5: Solve for x
    x = 284,233,713.82/21,352.75
  6. Step 6: Final answer
    x = 13,311.34

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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.