Home / 28,046.28-38,684.60-16,707.04

Finding the Fourth Proportional to 28,046.28, 38,684.60 and 16,707.04

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Solution

The fourth proportional to 28,046.28, 38,684.60 and 16,707.04 is: 23,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.28 : 38,684.60 = 16,707.04 : x
  2. Step 2: Convert to fraction form
    28,046.28/38,684.60 = 16,707.04/x
  3. Step 3: Cross multiply
    28,046.28x = 38,684.60 × 16,707.04
  4. Step 4: Simplify right side
    28,046.28x = 646,304,882.63
  5. Step 5: Solve for x
    x = 646,304,882.63/28,046.28
  6. Step 6: Final answer
    x = 23,044.23

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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.