Home / 27,885.76-38,479.78-16,553.32

Finding the Fourth Proportional to 27,885.76, 38,479.78 and 16,553.32

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Solution

The fourth proportional to 27,885.76, 38,479.78 and 16,553.32 is: 22,842.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.76 : 38,479.78 = 16,553.32 : x
  2. Step 2: Convert to fraction form
    27,885.76/38,479.78 = 16,553.32/x
  3. Step 3: Cross multiply
    27,885.76x = 38,479.78 × 16,553.32
  4. Step 4: Simplify right side
    27,885.76x = 636,968,111.87
  5. Step 5: Solve for x
    x = 636,968,111.87/27,885.76
  6. Step 6: Final answer
    x = 22,842.06

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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.