Home / 20,635.05-30,957.39-16,434.21

Finding the Fourth Proportional to 20,635.05, 30,957.39 and 16,434.21

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Solution

The fourth proportional to 20,635.05, 30,957.39 and 16,434.21 is: 24,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.05 : 30,957.39 = 16,434.21 : x
  2. Step 2: Convert to fraction form
    20,635.05/30,957.39 = 16,434.21/x
  3. Step 3: Cross multiply
    20,635.05x = 30,957.39 × 16,434.21
  4. Step 4: Simplify right side
    20,635.05x = 508,760,248.31
  5. Step 5: Solve for x
    x = 508,760,248.31/20,635.05
  6. Step 6: Final answer
    x = 24,655.15

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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.