Home / 18,767.43-28,151.15-17,957.56

Finding the Fourth Proportional to 18,767.43, 28,151.15 and 17,957.56

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Solution

The fourth proportional to 18,767.43, 28,151.15 and 17,957.56 is: 26,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.43 : 28,151.15 = 17,957.56 : x
  2. Step 2: Convert to fraction form
    18,767.43/28,151.15 = 17,957.56/x
  3. Step 3: Cross multiply
    18,767.43x = 28,151.15 × 17,957.56
  4. Step 4: Simplify right side
    18,767.43x = 505,525,965.19
  5. Step 5: Solve for x
    x = 505,525,965.19/18,767.43
  6. Step 6: Final answer
    x = 26,936.34

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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.