Home / 27,088.80-40,634.34-9,558.72

Finding the Fourth Proportional to 27,088.80, 40,634.34 and 9,558.72

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Solution

The fourth proportional to 27,088.80, 40,634.34 and 9,558.72 is: 14,338.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.80 : 40,634.34 = 9,558.72 : x
  2. Step 2: Convert to fraction form
    27,088.80/40,634.34 = 9,558.72/x
  3. Step 3: Cross multiply
    27,088.80x = 40,634.34 × 9,558.72
  4. Step 4: Simplify right side
    27,088.80x = 388,412,278.44
  5. Step 5: Solve for x
    x = 388,412,278.44/27,088.80
  6. Step 6: Final answer
    x = 14,338.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.