Home / 20,343.38-30,473.49-15,084.32

Finding the Fourth Proportional to 20,343.38, 30,473.49 and 15,084.32

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Solution

The fourth proportional to 20,343.38, 30,473.49 and 15,084.32 is: 22,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.38 : 30,473.49 = 15,084.32 : x
  2. Step 2: Convert to fraction form
    20,343.38/30,473.49 = 15,084.32/x
  3. Step 3: Cross multiply
    20,343.38x = 30,473.49 × 15,084.32
  4. Step 4: Simplify right side
    20,343.38x = 459,671,874.68
  5. Step 5: Solve for x
    x = 459,671,874.68/20,343.38
  6. Step 6: Final answer
    x = 22,595.65

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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.