Home / 21,764.85-32,647.28-10,071.69

Finding the Fourth Proportional to 21,764.85, 32,647.28 and 10,071.69

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Solution

The fourth proportional to 21,764.85, 32,647.28 and 10,071.69 is: 15,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.85 : 32,647.28 = 10,071.69 : x
  2. Step 2: Convert to fraction form
    21,764.85/32,647.28 = 10,071.69/x
  3. Step 3: Cross multiply
    21,764.85x = 32,647.28 × 10,071.69
  4. Step 4: Simplify right side
    21,764.85x = 328,813,233.14
  5. Step 5: Solve for x
    x = 328,813,233.14/21,764.85
  6. Step 6: Final answer
    x = 15,107.54

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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.