Home / 21,601.85-32,383.01-18,291.41

Finding the Fourth Proportional to 21,601.85, 32,383.01 and 18,291.41

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Solution

The fourth proportional to 21,601.85, 32,383.01 and 18,291.41 is: 27,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.85 : 32,383.01 = 18,291.41 : x
  2. Step 2: Convert to fraction form
    21,601.85/32,383.01 = 18,291.41/x
  3. Step 3: Cross multiply
    21,601.85x = 32,383.01 × 18,291.41
  4. Step 4: Simplify right side
    21,601.85x = 592,330,659.57
  5. Step 5: Solve for x
    x = 592,330,659.57/21,601.85
  6. Step 6: Final answer
    x = 27,420.37

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1.5x scale

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.