Home / 27,617.13-38,115.39-16,289.82

Finding the Fourth Proportional to 27,617.13, 38,115.39 and 16,289.82

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Solution

The fourth proportional to 27,617.13, 38,115.39 and 16,289.82 is: 22,482.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,617.13 : 38,115.39 = 16,289.82 : x
  2. Step 2: Convert to fraction form
    27,617.13/38,115.39 = 16,289.82/x
  3. Step 3: Cross multiply
    27,617.13x = 38,115.39 × 16,289.82
  4. Step 4: Simplify right side
    27,617.13x = 620,892,842.33
  5. Step 5: Solve for x
    x = 620,892,842.33/27,617.13
  6. Step 6: Final answer
    x = 22,482.16

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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.