Home / 38,239.47-52,755.72-28,191.80

Finding the Fourth Proportional to 38,239.47, 52,755.72 and 28,191.80

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Solution

The fourth proportional to 38,239.47, 52,755.72 and 28,191.80 is: 38,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.47 : 52,755.72 = 28,191.80 : x
  2. Step 2: Convert to fraction form
    38,239.47/52,755.72 = 28,191.80/x
  3. Step 3: Cross multiply
    38,239.47x = 52,755.72 × 28,191.80
  4. Step 4: Simplify right side
    38,239.47x = 1,487,278,443.32
  5. Step 5: Solve for x
    x = 1,487,278,443.32/38,239.47
  6. Step 6: Final answer
    x = 38,893.80

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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.