Home / 21,393.74-32,090.49-5,811.36

Finding the Fourth Proportional to 21,393.74, 32,090.49 and 5,811.36

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Solution

The fourth proportional to 21,393.74, 32,090.49 and 5,811.36 is: 8,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.74 : 32,090.49 = 5,811.36 : x
  2. Step 2: Convert to fraction form
    21,393.74/32,090.49 = 5,811.36/x
  3. Step 3: Cross multiply
    21,393.74x = 32,090.49 × 5,811.36
  4. Step 4: Simplify right side
    21,393.74x = 186,489,389.97
  5. Step 5: Solve for x
    x = 186,489,389.97/21,393.74
  6. Step 6: Final answer
    x = 8,717.01

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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.