Home / 20,344.38-30,474.99-15,085.32

Finding the Fourth Proportional to 20,344.38, 30,474.99 and 15,085.32

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Solution

The fourth proportional to 20,344.38, 30,474.99 and 15,085.32 is: 22,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.38 : 30,474.99 = 15,085.32 : x
  2. Step 2: Convert to fraction form
    20,344.38/30,474.99 = 15,085.32/x
  3. Step 3: Cross multiply
    20,344.38x = 30,474.99 × 15,085.32
  4. Step 4: Simplify right side
    20,344.38x = 459,724,976.15
  5. Step 5: Solve for x
    x = 459,724,976.15/20,344.38
  6. Step 6: Final answer
    x = 22,597.15

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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.