Home / 20,572.85-30,855.33-10,032.28

Finding the Fourth Proportional to 20,572.85, 30,855.33 and 10,032.28

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Solution

The fourth proportional to 20,572.85, 30,855.33 and 10,032.28 is: 15,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.85 : 30,855.33 = 10,032.28 : x
  2. Step 2: Convert to fraction form
    20,572.85/30,855.33 = 10,032.28/x
  3. Step 3: Cross multiply
    20,572.85x = 30,855.33 × 10,032.28
  4. Step 4: Simplify right side
    20,572.85x = 309,549,310.05
  5. Step 5: Solve for x
    x = 309,549,310.05/20,572.85
  6. Step 6: Final answer
    x = 15,046.50

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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.