Home / 21,712.29-32,494.44-18,206.25

Finding the Fourth Proportional to 21,712.29, 32,494.44 and 18,206.25

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Solution

The fourth proportional to 21,712.29, 32,494.44 and 18,206.25 is: 27,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.29 : 32,494.44 = 18,206.25 : x
  2. Step 2: Convert to fraction form
    21,712.29/32,494.44 = 18,206.25/x
  3. Step 3: Cross multiply
    21,712.29x = 32,494.44 × 18,206.25
  4. Step 4: Simplify right side
    21,712.29x = 591,601,898.25
  5. Step 5: Solve for x
    x = 591,601,898.25/21,712.29
  6. Step 6: Final answer
    x = 27,247.33

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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.