Home / 27,644.73-38,148.28-15,706.41

Finding the Fourth Proportional to 27,644.73, 38,148.28 and 15,706.41

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Solution

The fourth proportional to 27,644.73, 38,148.28 and 15,706.41 is: 21,674.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,644.73 : 38,148.28 = 15,706.41 : x
  2. Step 2: Convert to fraction form
    27,644.73/38,148.28 = 15,706.41/x
  3. Step 3: Cross multiply
    27,644.73x = 38,148.28 × 15,706.41
  4. Step 4: Simplify right side
    27,644.73x = 599,172,432.50
  5. Step 5: Solve for x
    x = 599,172,432.50/27,644.73
  6. Step 6: Final answer
    x = 21,674.02

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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.