Home / 20,619.03-30,944.10-15,086.65

Finding the Fourth Proportional to 20,619.03, 30,944.10 and 15,086.65

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Solution

The fourth proportional to 20,619.03, 30,944.10 and 15,086.65 is: 22,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619.03 : 30,944.10 = 15,086.65 : x
  2. Step 2: Convert to fraction form
    20,619.03/30,944.10 = 15,086.65/x
  3. Step 3: Cross multiply
    20,619.03x = 30,944.10 × 15,086.65
  4. Step 4: Simplify right side
    20,619.03x = 466,842,844.95
  5. Step 5: Solve for x
    x = 466,842,844.95/20,619.03
  6. Step 6: Final answer
    x = 22,641.35

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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.