Home / 30,467.47-41,957.92-28,568.88

Finding the Fourth Proportional to 30,467.47, 41,957.92 and 28,568.88

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Solution

The fourth proportional to 30,467.47, 41,957.92 and 28,568.88 is: 39,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,467.47 : 41,957.92 = 28,568.88 : x
  2. Step 2: Convert to fraction form
    30,467.47/41,957.92 = 28,568.88/x
  3. Step 3: Cross multiply
    30,467.47x = 41,957.92 × 28,568.88
  4. Step 4: Simplify right side
    30,467.47x = 1,198,690,781.53
  5. Step 5: Solve for x
    x = 1,198,690,781.53/30,467.47
  6. Step 6: Final answer
    x = 39,343.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.