Home / 28,110.66-38,799.18-16,180.92

Finding the Fourth Proportional to 28,110.66, 38,799.18 and 16,180.92

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Solution

The fourth proportional to 28,110.66, 38,799.18 and 16,180.92 is: 22,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.66 : 38,799.18 = 16,180.92 : x
  2. Step 2: Convert to fraction form
    28,110.66/38,799.18 = 16,180.92/x
  3. Step 3: Cross multiply
    28,110.66x = 38,799.18 × 16,180.92
  4. Step 4: Simplify right side
    28,110.66x = 627,806,427.65
  5. Step 5: Solve for x
    x = 627,806,427.65/28,110.66
  6. Step 6: Final answer
    x = 22,333.39

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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.