Home / 28,042.88-38,697.72-17,432.33

Finding the Fourth Proportional to 28,042.88, 38,697.72 and 17,432.33

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Solution

The fourth proportional to 28,042.88, 38,697.72 and 17,432.33 is: 24,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.88 : 38,697.72 = 17,432.33 : x
  2. Step 2: Convert to fraction form
    28,042.88/38,697.72 = 17,432.33/x
  3. Step 3: Cross multiply
    28,042.88x = 38,697.72 × 17,432.33
  4. Step 4: Simplify right side
    28,042.88x = 674,591,425.29
  5. Step 5: Solve for x
    x = 674,591,425.29/28,042.88
  6. Step 6: Final answer
    x = 24,055.71

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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.