Home / 20,035.62-27,652.50-11,970.42

Finding the Fourth Proportional to 20,035.62, 27,652.50 and 11,970.42

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Solution

The fourth proportional to 20,035.62, 27,652.50 and 11,970.42 is: 16,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.62 : 27,652.50 = 11,970.42 : x
  2. Step 2: Convert to fraction form
    20,035.62/27,652.50 = 11,970.42/x
  3. Step 3: Cross multiply
    20,035.62x = 27,652.50 × 11,970.42
  4. Step 4: Simplify right side
    20,035.62x = 331,012,039.05
  5. Step 5: Solve for x
    x = 331,012,039.05/20,035.62
  6. Step 6: Final answer
    x = 16,521.18

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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.