Home / 21,628.82-32,463.48-13,325.11

Finding the Fourth Proportional to 21,628.82, 32,463.48 and 13,325.11

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Solution

The fourth proportional to 21,628.82, 32,463.48 and 13,325.11 is: 20,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.82 : 32,463.48 = 13,325.11 : x
  2. Step 2: Convert to fraction form
    21,628.82/32,463.48 = 13,325.11/x
  3. Step 3: Cross multiply
    21,628.82x = 32,463.48 × 13,325.11
  4. Step 4: Simplify right side
    21,628.82x = 432,579,410.79
  5. Step 5: Solve for x
    x = 432,579,410.79/21,628.82
  6. Step 6: Final answer
    x = 20,000.14

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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.