Home / 20,552.08-30,806.25-10,681.42

Finding the Fourth Proportional to 20,552.08, 30,806.25 and 10,681.42

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Solution

The fourth proportional to 20,552.08, 30,806.25 and 10,681.42 is: 16,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552.08 : 30,806.25 = 10,681.42 : x
  2. Step 2: Convert to fraction form
    20,552.08/30,806.25 = 10,681.42/x
  3. Step 3: Cross multiply
    20,552.08x = 30,806.25 × 10,681.42
  4. Step 4: Simplify right side
    20,552.08x = 329,054,494.88
  5. Step 5: Solve for x
    x = 329,054,494.88/20,552.08
  6. Step 6: Final answer
    x = 16,010.76

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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.