Home / 28,093.43-38,770.06-16,156.76

Finding the Fourth Proportional to 28,093.43, 38,770.06 and 16,156.76

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Solution

The fourth proportional to 28,093.43, 38,770.06 and 16,156.76 is: 22,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.43 : 38,770.06 = 16,156.76 : x
  2. Step 2: Convert to fraction form
    28,093.43/38,770.06 = 16,156.76/x
  3. Step 3: Cross multiply
    28,093.43x = 38,770.06 × 16,156.76
  4. Step 4: Simplify right side
    28,093.43x = 626,398,554.61
  5. Step 5: Solve for x
    x = 626,398,554.61/28,093.43
  6. Step 6: Final answer
    x = 22,296.98

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Half scale
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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.