Home / 27,648.77-38,160.20-16,317.45

Finding the Fourth Proportional to 27,648.77, 38,160.20 and 16,317.45

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Solution

The fourth proportional to 27,648.77, 38,160.20 and 16,317.45 is: 22,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.77 : 38,160.20 = 16,317.45 : x
  2. Step 2: Convert to fraction form
    27,648.77/38,160.20 = 16,317.45/x
  3. Step 3: Cross multiply
    27,648.77x = 38,160.20 × 16,317.45
  4. Step 4: Simplify right side
    27,648.77x = 622,677,155.49
  5. Step 5: Solve for x
    x = 622,677,155.49/27,648.77
  6. Step 6: Final answer
    x = 22,520.97

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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.