Home / 21,035.16-29,028.44-12,083.24

Finding the Fourth Proportional to 21,035.16, 29,028.44 and 12,083.24

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Solution

The fourth proportional to 21,035.16, 29,028.44 and 12,083.24 is: 16,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.16 : 29,028.44 = 12,083.24 : x
  2. Step 2: Convert to fraction form
    21,035.16/29,028.44 = 12,083.24/x
  3. Step 3: Cross multiply
    21,035.16x = 29,028.44 × 12,083.24
  4. Step 4: Simplify right side
    21,035.16x = 350,757,710.12
  5. Step 5: Solve for x
    x = 350,757,710.12/21,035.16
  6. Step 6: Final answer
    x = 16,674.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.