Home / 27,998.76-38,637.12-16,053.84

Finding the Fourth Proportional to 27,998.76, 38,637.12 and 16,053.84

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Solution

The fourth proportional to 27,998.76, 38,637.12 and 16,053.84 is: 22,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.76 : 38,637.12 = 16,053.84 : x
  2. Step 2: Convert to fraction form
    27,998.76/38,637.12 = 16,053.84/x
  3. Step 3: Cross multiply
    27,998.76x = 38,637.12 × 16,053.84
  4. Step 4: Simplify right side
    27,998.76x = 620,274,142.54
  5. Step 5: Solve for x
    x = 620,274,142.54/27,998.76
  6. Step 6: Final answer
    x = 22,153.63

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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.