Home / 21,615.91-32,395.60-11,077

Finding the Fourth Proportional to 21,615.91, 32,395.60 and 11,077

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Solution

The fourth proportional to 21,615.91, 32,395.60 and 11,077 is: 16,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.91 : 32,395.60 = 11,077 : x
  2. Step 2: Convert to fraction form
    21,615.91/32,395.60 = 11,077/x
  3. Step 3: Cross multiply
    21,615.91x = 32,395.60 × 11,077
  4. Step 4: Simplify right side
    21,615.91x = 358,846,061.20
  5. Step 5: Solve for x
    x = 358,846,061.20/21,615.91
  6. Step 6: Final answer
    x = 16,601.02

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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.