Home / 20,625.08-30,931.44-10,758.98

Finding the Fourth Proportional to 20,625.08, 30,931.44 and 10,758.98

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Solution

The fourth proportional to 20,625.08, 30,931.44 and 10,758.98 is: 16,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.08 : 30,931.44 = 10,758.98 : x
  2. Step 2: Convert to fraction form
    20,625.08/30,931.44 = 10,758.98/x
  3. Step 3: Cross multiply
    20,625.08x = 30,931.44 × 10,758.98
  4. Step 4: Simplify right side
    20,625.08x = 332,790,744.33
  5. Step 5: Solve for x
    x = 332,790,744.33/20,625.08
  6. Step 6: Final answer
    x = 16,135.25

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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.