Home / 20,548.08-30,800.25-10,677.42

Finding the Fourth Proportional to 20,548.08, 30,800.25 and 10,677.42

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Solution

The fourth proportional to 20,548.08, 30,800.25 and 10,677.42 is: 16,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.08 : 30,800.25 = 10,677.42 : x
  2. Step 2: Convert to fraction form
    20,548.08/30,800.25 = 10,677.42/x
  3. Step 3: Cross multiply
    20,548.08x = 30,800.25 × 10,677.42
  4. Step 4: Simplify right side
    20,548.08x = 328,867,205.36
  5. Step 5: Solve for x
    x = 328,867,205.36/20,548.08
  6. Step 6: Final answer
    x = 16,004.77

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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.