Home / 21,956.36-32,941.86-14,589.80

Finding the Fourth Proportional to 21,956.36, 32,941.86 and 14,589.80

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Solution

The fourth proportional to 21,956.36, 32,941.86 and 14,589.80 is: 21,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.36 : 32,941.86 = 14,589.80 : x
  2. Step 2: Convert to fraction form
    21,956.36/32,941.86 = 14,589.80/x
  3. Step 3: Cross multiply
    21,956.36x = 32,941.86 × 14,589.80
  4. Step 4: Simplify right side
    21,956.36x = 480,615,149.03
  5. Step 5: Solve for x
    x = 480,615,149.03/21,956.36
  6. Step 6: Final answer
    x = 21,889.56

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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.