Home / 28,081.28-38,732.16-17,476.16

Finding the Fourth Proportional to 28,081.28, 38,732.16 and 17,476.16

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Solution

The fourth proportional to 28,081.28, 38,732.16 and 17,476.16 is: 24,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.28 : 38,732.16 = 17,476.16 : x
  2. Step 2: Convert to fraction form
    28,081.28/38,732.16 = 17,476.16/x
  3. Step 3: Cross multiply
    28,081.28x = 38,732.16 × 17,476.16
  4. Step 4: Simplify right side
    28,081.28x = 676,889,425.31
  5. Step 5: Solve for x
    x = 676,889,425.31/28,081.28
  6. Step 6: Final answer
    x = 24,104.65

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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.