Home / 23,253.68-32,090.18-12,643.29

Finding the Fourth Proportional to 23,253.68, 32,090.18 and 12,643.29

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Solution

The fourth proportional to 23,253.68, 32,090.18 and 12,643.29 is: 17,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,253.68 : 32,090.18 = 12,643.29 : x
  2. Step 2: Convert to fraction form
    23,253.68/32,090.18 = 12,643.29/x
  3. Step 3: Cross multiply
    23,253.68x = 32,090.18 × 12,643.29
  4. Step 4: Simplify right side
    23,253.68x = 405,725,388.68
  5. Step 5: Solve for x
    x = 405,725,388.68/23,253.68
  6. Step 6: Final answer
    x = 17,447.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.