Home / 27,882.11-38,459.79-16,543.58

Finding the Fourth Proportional to 27,882.11, 38,459.79 and 16,543.58

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Solution

The fourth proportional to 27,882.11, 38,459.79 and 16,543.58 is: 22,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,882.11 : 38,459.79 = 16,543.58 : x
  2. Step 2: Convert to fraction form
    27,882.11/38,459.79 = 16,543.58/x
  3. Step 3: Cross multiply
    27,882.11x = 38,459.79 × 16,543.58
  4. Step 4: Simplify right side
    27,882.11x = 636,262,420.35
  5. Step 5: Solve for x
    x = 636,262,420.35/27,882.11
  6. Step 6: Final answer
    x = 22,819.74

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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.