Home / 27,540.80-38,006.44-16,210.72

Finding the Fourth Proportional to 27,540.80, 38,006.44 and 16,210.72

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Solution

The fourth proportional to 27,540.80, 38,006.44 and 16,210.72 is: 22,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.80 : 38,006.44 = 16,210.72 : x
  2. Step 2: Convert to fraction form
    27,540.80/38,006.44 = 16,210.72/x
  3. Step 3: Cross multiply
    27,540.80x = 38,006.44 × 16,210.72
  4. Step 4: Simplify right side
    27,540.80x = 616,111,757.04
  5. Step 5: Solve for x
    x = 616,111,757.04/27,540.80
  6. Step 6: Final answer
    x = 22,370.87

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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.