Home / 21,662.49-32,489.64-10,558.02

Finding the Fourth Proportional to 21,662.49, 32,489.64 and 10,558.02

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Solution

The fourth proportional to 21,662.49, 32,489.64 and 10,558.02 is: 15,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,662.49 : 32,489.64 = 10,558.02 : x
  2. Step 2: Convert to fraction form
    21,662.49/32,489.64 = 10,558.02/x
  3. Step 3: Cross multiply
    21,662.49x = 32,489.64 × 10,558.02
  4. Step 4: Simplify right side
    21,662.49x = 343,026,268.91
  5. Step 5: Solve for x
    x = 343,026,268.91/21,662.49
  6. Step 6: Final answer
    x = 15,835.03

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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.