Home / 28,937.28-43,361.04-20,069.91

Finding the Fourth Proportional to 28,937.28, 43,361.04 and 20,069.91

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Solution

The fourth proportional to 28,937.28, 43,361.04 and 20,069.91 is: 30,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.28 : 43,361.04 = 20,069.91 : x
  2. Step 2: Convert to fraction form
    28,937.28/43,361.04 = 20,069.91/x
  3. Step 3: Cross multiply
    28,937.28x = 43,361.04 × 20,069.91
  4. Step 4: Simplify right side
    28,937.28x = 870,252,170.31
  5. Step 5: Solve for x
    x = 870,252,170.31/28,937.28
  6. Step 6: Final answer
    x = 30,073.74

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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.