Home / 20,677.68-31,029.48-10,824.84

Finding the Fourth Proportional to 20,677.68, 31,029.48 and 10,824.84

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Solution

The fourth proportional to 20,677.68, 31,029.48 and 10,824.84 is: 16,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,677.68 : 31,029.48 = 10,824.84 : x
  2. Step 2: Convert to fraction form
    20,677.68/31,029.48 = 10,824.84/x
  3. Step 3: Cross multiply
    20,677.68x = 31,029.48 × 10,824.84
  4. Step 4: Simplify right side
    20,677.68x = 335,889,156.28
  5. Step 5: Solve for x
    x = 335,889,156.28/20,677.68
  6. Step 6: Final answer
    x = 16,244.04

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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.