Home / 27,768.65-38,333.39-17,710.88

Finding the Fourth Proportional to 27,768.65, 38,333.39 and 17,710.88

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Solution

The fourth proportional to 27,768.65, 38,333.39 and 17,710.88 is: 24,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.65 : 38,333.39 = 17,710.88 : x
  2. Step 2: Convert to fraction form
    27,768.65/38,333.39 = 17,710.88/x
  3. Step 3: Cross multiply
    27,768.65x = 38,333.39 × 17,710.88
  4. Step 4: Simplify right side
    27,768.65x = 678,917,790.06
  5. Step 5: Solve for x
    x = 678,917,790.06/27,768.65
  6. Step 6: Final answer
    x = 24,449.08

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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.