Home / 27,616.90-38,111.74-15,041.64

Finding the Fourth Proportional to 27,616.90, 38,111.74 and 15,041.64

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Solution

The fourth proportional to 27,616.90, 38,111.74 and 15,041.64 is: 20,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.90 : 38,111.74 = 15,041.64 : x
  2. Step 2: Convert to fraction form
    27,616.90/38,111.74 = 15,041.64/x
  3. Step 3: Cross multiply
    27,616.90x = 38,111.74 × 15,041.64
  4. Step 4: Simplify right side
    27,616.90x = 573,263,072.85
  5. Step 5: Solve for x
    x = 573,263,072.85/27,616.90
  6. Step 6: Final answer
    x = 20,757.69

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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.