Home / 21,583.77-32,380.26-12,228.27

Finding the Fourth Proportional to 21,583.77, 32,380.26 and 12,228.27

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Solution

The fourth proportional to 21,583.77, 32,380.26 and 12,228.27 is: 18,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.77 : 32,380.26 = 12,228.27 : x
  2. Step 2: Convert to fraction form
    21,583.77/32,380.26 = 12,228.27/x
  3. Step 3: Cross multiply
    21,583.77x = 32,380.26 × 12,228.27
  4. Step 4: Simplify right side
    21,583.77x = 395,954,394.67
  5. Step 5: Solve for x
    x = 395,954,394.67/21,583.77
  6. Step 6: Final answer
    x = 18,345.01

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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.