Home / 28,126.35-38,816.72-16,193.55

Finding the Fourth Proportional to 28,126.35, 38,816.72 and 16,193.55

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Solution

The fourth proportional to 28,126.35, 38,816.72 and 16,193.55 is: 22,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126.35 : 38,816.72 = 16,193.55 : x
  2. Step 2: Convert to fraction form
    28,126.35/38,816.72 = 16,193.55/x
  3. Step 3: Cross multiply
    28,126.35x = 38,816.72 × 16,193.55
  4. Step 4: Simplify right side
    28,126.35x = 628,580,415.19
  5. Step 5: Solve for x
    x = 628,580,415.19/28,126.35
  6. Step 6: Final answer
    x = 22,348.45

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Double scale
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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.